Home / 1,767.17-2,439.63-1,411.89

Finding the Fourth Proportional to 1,767.17, 2,439.63 and 1,411.89

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Solution

The fourth proportional to 1,767.17, 2,439.63 and 1,411.89 is: 1,949.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.17 : 2,439.63 = 1,411.89 : x
  2. Step 2: Convert to fraction form
    1,767.17/2,439.63 = 1,411.89/x
  3. Step 3: Cross multiply
    1,767.17x = 2,439.63 × 1,411.89
  4. Step 4: Simplify right side
    1,767.17x = 3,444,489.20
  5. Step 5: Solve for x
    x = 3,444,489.20/1,767.17
  6. Step 6: Final answer
    x = 1,949.16

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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.