Home / 3,437.62-5,156.81-1,245.87

Finding the Fourth Proportional to 3,437.62, 5,156.81 and 1,245.87

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Solution

The fourth proportional to 3,437.62, 5,156.81 and 1,245.87 is: 1,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.62 : 5,156.81 = 1,245.87 : x
  2. Step 2: Convert to fraction form
    3,437.62/5,156.81 = 1,245.87/x
  3. Step 3: Cross multiply
    3,437.62x = 5,156.81 × 1,245.87
  4. Step 4: Simplify right side
    3,437.62x = 6,424,714.87
  5. Step 5: Solve for x
    x = 6,424,714.87/3,437.62
  6. Step 6: Final answer
    x = 1,868.94

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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.