Home / 3,418.01-5,123.70-1,337.93

Finding the Fourth Proportional to 3,418.01, 5,123.70 and 1,337.93

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Solution

The fourth proportional to 3,418.01, 5,123.70 and 1,337.93 is: 2,005.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.01 : 5,123.70 = 1,337.93 : x
  2. Step 2: Convert to fraction form
    3,418.01/5,123.70 = 1,337.93/x
  3. Step 3: Cross multiply
    3,418.01x = 5,123.70 × 1,337.93
  4. Step 4: Simplify right side
    3,418.01x = 6,855,126.32
  5. Step 5: Solve for x
    x = 6,855,126.32/3,418.01
  6. Step 6: Final answer
    x = 2,005.59

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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.