Home / 1,767.52-2,439.28-1,068.96

Finding the Fourth Proportional to 1,767.52, 2,439.28 and 1,068.96

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Solution

The fourth proportional to 1,767.52, 2,439.28 and 1,068.96 is: 1,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.52 : 2,439.28 = 1,068.96 : x
  2. Step 2: Convert to fraction form
    1,767.52/2,439.28 = 1,068.96/x
  3. Step 3: Cross multiply
    1,767.52x = 2,439.28 × 1,068.96
  4. Step 4: Simplify right side
    1,767.52x = 2,607,492.75
  5. Step 5: Solve for x
    x = 2,607,492.75/1,767.52
  6. Step 6: Final answer
    x = 1,475.23

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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.