Home / 1,616.14-2,411.78-1,606.90

Finding the Fourth Proportional to 1,616.14, 2,411.78 and 1,606.90

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Solution

The fourth proportional to 1,616.14, 2,411.78 and 1,606.90 is: 2,397.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.14 : 2,411.78 = 1,606.90 : x
  2. Step 2: Convert to fraction form
    1,616.14/2,411.78 = 1,606.90/x
  3. Step 3: Cross multiply
    1,616.14x = 2,411.78 × 1,606.90
  4. Step 4: Simplify right side
    1,616.14x = 3,875,489.28
  5. Step 5: Solve for x
    x = 3,875,489.28/1,616.14
  6. Step 6: Final answer
    x = 2,397.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.