Home / 1,337.18-1,995.24-1,191.02

Finding the Fourth Proportional to 1,337.18, 1,995.24 and 1,191.02

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Solution

The fourth proportional to 1,337.18, 1,995.24 and 1,191.02 is: 1,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337.18 : 1,995.24 = 1,191.02 : x
  2. Step 2: Convert to fraction form
    1,337.18/1,995.24 = 1,191.02/x
  3. Step 3: Cross multiply
    1,337.18x = 1,995.24 × 1,191.02
  4. Step 4: Simplify right side
    1,337.18x = 2,376,364.79
  5. Step 5: Solve for x
    x = 2,376,364.79/1,337.18
  6. Step 6: Final answer
    x = 1,777.15

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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.