Home / 3,437.94-5,154.03-1,387.38

Finding the Fourth Proportional to 3,437.94, 5,154.03 and 1,387.38

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Solution

The fourth proportional to 3,437.94, 5,154.03 and 1,387.38 is: 2,079.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.94 : 5,154.03 = 1,387.38 : x
  2. Step 2: Convert to fraction form
    3,437.94/5,154.03 = 1,387.38/x
  3. Step 3: Cross multiply
    3,437.94x = 5,154.03 × 1,387.38
  4. Step 4: Simplify right side
    3,437.94x = 7,150,598.14
  5. Step 5: Solve for x
    x = 7,150,598.14/3,437.94
  6. Step 6: Final answer
    x = 2,079.91

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1.5x scale

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.