Home / 2,612.43-3,918.65-2,460.29

Finding the Fourth Proportional to 2,612.43, 3,918.65 and 2,460.29

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Solution

The fourth proportional to 2,612.43, 3,918.65 and 2,460.29 is: 3,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,612.43 : 3,918.65 = 2,460.29 : x
  2. Step 2: Convert to fraction form
    2,612.43/3,918.65 = 2,460.29/x
  3. Step 3: Cross multiply
    2,612.43x = 3,918.65 × 2,460.29
  4. Step 4: Simplify right side
    2,612.43x = 9,640,983.51
  5. Step 5: Solve for x
    x = 9,640,983.51/2,612.43
  6. Step 6: Final answer
    x = 3,690.43

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.