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Finding the Fourth Proportional to 1,558.04, 2,337.88 and 634.28

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Solution

The fourth proportional to 1,558.04, 2,337.88 and 634.28 is: 951.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,558.04 : 2,337.88 = 634.28 : x
  2. Step 2: Convert to fraction form
    1,558.04/2,337.88 = 634.28/x
  3. Step 3: Cross multiply
    1,558.04x = 2,337.88 × 634.28
  4. Step 4: Simplify right side
    1,558.04x = 1,482,870.53
  5. Step 5: Solve for x
    x = 1,482,870.53/1,558.04
  6. Step 6: Final answer
    x = 951.75

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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.