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Finding the Fourth Proportional to 1,793.87, 2,475.57 and 1,007.90

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Solution

The fourth proportional to 1,793.87, 2,475.57 and 1,007.90 is: 1,390.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.87 : 2,475.57 = 1,007.90 : x
  2. Step 2: Convert to fraction form
    1,793.87/2,475.57 = 1,007.90/x
  3. Step 3: Cross multiply
    1,793.87x = 2,475.57 × 1,007.90
  4. Step 4: Simplify right side
    1,793.87x = 2,495,114.63
  5. Step 5: Solve for x
    x = 2,495,114.63/1,793.87
  6. Step 6: Final answer
    x = 1,390.92

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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.