Home / 3,108.24-4,294.08-2,320.92

Finding the Fourth Proportional to 3,108.24, 4,294.08 and 2,320.92

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Solution

The fourth proportional to 3,108.24, 4,294.08 and 2,320.92 is: 3,206.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.24 : 4,294.08 = 2,320.92 : x
  2. Step 2: Convert to fraction form
    3,108.24/4,294.08 = 2,320.92/x
  3. Step 3: Cross multiply
    3,108.24x = 4,294.08 × 2,320.92
  4. Step 4: Simplify right side
    3,108.24x = 9,966,216.15
  5. Step 5: Solve for x
    x = 9,966,216.15/3,108.24
  6. Step 6: Final answer
    x = 3,206.39

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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.