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Finding the Fourth Proportional to 1,045.10, 1,567.94 and 737.57

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Solution

The fourth proportional to 1,045.10, 1,567.94 and 737.57 is: 1,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.10 : 1,567.94 = 737.57 : x
  2. Step 2: Convert to fraction form
    1,045.10/1,567.94 = 737.57/x
  3. Step 3: Cross multiply
    1,045.10x = 1,567.94 × 737.57
  4. Step 4: Simplify right side
    1,045.10x = 1,156,465.74
  5. Step 5: Solve for x
    x = 1,156,465.74/1,045.10
  6. Step 6: Final answer
    x = 1,106.56

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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.