Home / 3,064.52-4,223.22-2,131.40

Finding the Fourth Proportional to 3,064.52, 4,223.22 and 2,131.40

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Solution

The fourth proportional to 3,064.52, 4,223.22 and 2,131.40 is: 2,937.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.52 : 4,223.22 = 2,131.40 : x
  2. Step 2: Convert to fraction form
    3,064.52/4,223.22 = 2,131.40/x
  3. Step 3: Cross multiply
    3,064.52x = 4,223.22 × 2,131.40
  4. Step 4: Simplify right side
    3,064.52x = 9,001,371.11
  5. Step 5: Solve for x
    x = 9,001,371.11/3,064.52
  6. Step 6: Final answer
    x = 2,937.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.