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Finding the Fourth Proportional to 1,007.26, 1,503.99 and 902.46

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Solution

The fourth proportional to 1,007.26, 1,503.99 and 902.46 is: 1,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007.26 : 1,503.99 = 902.46 : x
  2. Step 2: Convert to fraction form
    1,007.26/1,503.99 = 902.46/x
  3. Step 3: Cross multiply
    1,007.26x = 1,503.99 × 902.46
  4. Step 4: Simplify right side
    1,007.26x = 1,357,286.30
  5. Step 5: Solve for x
    x = 1,357,286.30/1,007.26
  6. Step 6: Final answer
    x = 1,347.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.