Home / 1,301.08-1,951.98-1,157.80

Finding the Fourth Proportional to 1,301.08, 1,951.98 and 1,157.80

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Solution

The fourth proportional to 1,301.08, 1,951.98 and 1,157.80 is: 1,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301.08 : 1,951.98 = 1,157.80 : x
  2. Step 2: Convert to fraction form
    1,301.08/1,951.98 = 1,157.80/x
  3. Step 3: Cross multiply
    1,301.08x = 1,951.98 × 1,157.80
  4. Step 4: Simplify right side
    1,301.08x = 2,260,002.44
  5. Step 5: Solve for x
    x = 2,260,002.44/1,301.08
  6. Step 6: Final answer
    x = 1,737.02

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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.