Home / 3,437.26-5,158.12-1,245.80

Finding the Fourth Proportional to 3,437.26, 5,158.12 and 1,245.80

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Solution

The fourth proportional to 3,437.26, 5,158.12 and 1,245.80 is: 1,869.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.26 : 5,158.12 = 1,245.80 : x
  2. Step 2: Convert to fraction form
    3,437.26/5,158.12 = 1,245.80/x
  3. Step 3: Cross multiply
    3,437.26x = 5,158.12 × 1,245.80
  4. Step 4: Simplify right side
    3,437.26x = 6,425,985.90
  5. Step 5: Solve for x
    x = 6,425,985.90/3,437.26
  6. Step 6: Final answer
    x = 1,869.51

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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.