Home / 3,617.49-5,429.31-1,646.10

Finding the Fourth Proportional to 3,617.49, 5,429.31 and 1,646.10

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Solution

The fourth proportional to 3,617.49, 5,429.31 and 1,646.10 is: 2,470.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.49 : 5,429.31 = 1,646.10 : x
  2. Step 2: Convert to fraction form
    3,617.49/5,429.31 = 1,646.10/x
  3. Step 3: Cross multiply
    3,617.49x = 5,429.31 × 1,646.10
  4. Step 4: Simplify right side
    3,617.49x = 8,937,187.19
  5. Step 5: Solve for x
    x = 8,937,187.19/3,617.49
  6. Step 6: Final answer
    x = 2,470.55

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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.