Home / 3,437.88-5,154.98-1,357.80

Finding the Fourth Proportional to 3,437.88, 5,154.98 and 1,357.80

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Solution

The fourth proportional to 3,437.88, 5,154.98 and 1,357.80 is: 2,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.88 : 5,154.98 = 1,357.80 : x
  2. Step 2: Convert to fraction form
    3,437.88/5,154.98 = 1,357.80/x
  3. Step 3: Cross multiply
    3,437.88x = 5,154.98 × 1,357.80
  4. Step 4: Simplify right side
    3,437.88x = 6,999,431.84
  5. Step 5: Solve for x
    x = 6,999,431.84/3,437.88
  6. Step 6: Final answer
    x = 2,035.97

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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.