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Finding the Fourth Proportional to 1,502.86, 2,252.73 and 578.17

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Solution

The fourth proportional to 1,502.86, 2,252.73 and 578.17 is: 866.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.86 : 2,252.73 = 578.17 : x
  2. Step 2: Convert to fraction form
    1,502.86/2,252.73 = 578.17/x
  3. Step 3: Cross multiply
    1,502.86x = 2,252.73 × 578.17
  4. Step 4: Simplify right side
    1,502.86x = 1,302,460.90
  5. Step 5: Solve for x
    x = 1,302,460.90/1,502.86
  6. Step 6: Final answer
    x = 866.65

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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.