Home / 2,041.16-2,815.20-1,805.36

Finding the Fourth Proportional to 2,041.16, 2,815.20 and 1,805.36

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Solution

The fourth proportional to 2,041.16, 2,815.20 and 1,805.36 is: 2,489.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.16 : 2,815.20 = 1,805.36 : x
  2. Step 2: Convert to fraction form
    2,041.16/2,815.20 = 1,805.36/x
  3. Step 3: Cross multiply
    2,041.16x = 2,815.20 × 1,805.36
  4. Step 4: Simplify right side
    2,041.16x = 5,082,449.47
  5. Step 5: Solve for x
    x = 5,082,449.47/2,041.16
  6. Step 6: Final answer
    x = 2,489.98

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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.