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Finding the Fourth Proportional to 1,947.87, 2,924.10 and 1,537.29

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Solution

The fourth proportional to 1,947.87, 2,924.10 and 1,537.29 is: 2,307.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947.87 : 2,924.10 = 1,537.29 : x
  2. Step 2: Convert to fraction form
    1,947.87/2,924.10 = 1,537.29/x
  3. Step 3: Cross multiply
    1,947.87x = 2,924.10 × 1,537.29
  4. Step 4: Simplify right side
    1,947.87x = 4,495,189.69
  5. Step 5: Solve for x
    x = 4,495,189.69/1,947.87
  6. Step 6: Final answer
    x = 2,307.75

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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.