Home / 2,041.38-2,816.45-1,145.00

Finding the Fourth Proportional to 2,041.38, 2,816.45 and 1,145.00

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Solution

The fourth proportional to 2,041.38, 2,816.45 and 1,145.00 is: 1,579.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.38 : 2,816.45 = 1,145.00 : x
  2. Step 2: Convert to fraction form
    2,041.38/2,816.45 = 1,145.00/x
  3. Step 3: Cross multiply
    2,041.38x = 2,816.45 × 1,145.00
  4. Step 4: Simplify right side
    2,041.38x = 3,224,815.44
  5. Step 5: Solve for x
    x = 3,224,815.44/2,041.38
  6. Step 6: Final answer
    x = 1,579.72

Related Problems

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Half scale
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Double scale
Find fourth proportional to 2,042.38, 2,817.82 and 1,146
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.