Home / 3,934.98-5,432.22-2,758.23

Finding the Fourth Proportional to 3,934.98, 5,432.22 and 2,758.23

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Solution

The fourth proportional to 3,934.98, 5,432.22 and 2,758.23 is: 3,807.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.98 : 5,432.22 = 2,758.23 : x
  2. Step 2: Convert to fraction form
    3,934.98/5,432.22 = 2,758.23/x
  3. Step 3: Cross multiply
    3,934.98x = 5,432.22 × 2,758.23
  4. Step 4: Simplify right side
    3,934.98x = 14,983,312.17
  5. Step 5: Solve for x
    x = 14,983,312.17/3,934.98
  6. Step 6: Final answer
    x = 3,807.72

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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.