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Finding the Fourth Proportional to 1,671.29, 2,506.84 and 501.30

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Solution

The fourth proportional to 1,671.29, 2,506.84 and 501.30 is: 751.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.29 : 2,506.84 = 501.30 : x
  2. Step 2: Convert to fraction form
    1,671.29/2,506.84 = 501.30/x
  3. Step 3: Cross multiply
    1,671.29x = 2,506.84 × 501.30
  4. Step 4: Simplify right side
    1,671.29x = 1,256,677.64
  5. Step 5: Solve for x
    x = 1,256,677.64/1,671.29
  6. Step 6: Final answer
    x = 751.92

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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.