Home / 2,995.06-4,135.40-1,817.72

Finding the Fourth Proportional to 2,995.06, 4,135.40 and 1,817.72

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Solution

The fourth proportional to 2,995.06, 4,135.40 and 1,817.72 is: 2,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.06 : 4,135.40 = 1,817.72 : x
  2. Step 2: Convert to fraction form
    2,995.06/4,135.40 = 1,817.72/x
  3. Step 3: Cross multiply
    2,995.06x = 4,135.40 × 1,817.72
  4. Step 4: Simplify right side
    2,995.06x = 7,516,999.29
  5. Step 5: Solve for x
    x = 7,516,999.29/2,995.06
  6. Step 6: Final answer
    x = 2,509.80

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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.