Home / 3,147.26-4,373.29-3,113.07

Finding the Fourth Proportional to 3,147.26, 4,373.29 and 3,113.07

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Solution

The fourth proportional to 3,147.26, 4,373.29 and 3,113.07 is: 4,325.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.26 : 4,373.29 = 3,113.07 : x
  2. Step 2: Convert to fraction form
    3,147.26/4,373.29 = 3,113.07/x
  3. Step 3: Cross multiply
    3,147.26x = 4,373.29 × 3,113.07
  4. Step 4: Simplify right side
    3,147.26x = 13,614,345.39
  5. Step 5: Solve for x
    x = 13,614,345.39/3,147.26
  6. Step 6: Final answer
    x = 4,325.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.