Home / 3,901.95-5,384.82-2,223.74

Finding the Fourth Proportional to 3,901.95, 5,384.82 and 2,223.74

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Solution

The fourth proportional to 3,901.95, 5,384.82 and 2,223.74 is: 3,068.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.95 : 5,384.82 = 2,223.74 : x
  2. Step 2: Convert to fraction form
    3,901.95/5,384.82 = 2,223.74/x
  3. Step 3: Cross multiply
    3,901.95x = 5,384.82 × 2,223.74
  4. Step 4: Simplify right side
    3,901.95x = 11,974,412.70
  5. Step 5: Solve for x
    x = 11,974,412.70/3,901.95
  6. Step 6: Final answer
    x = 3,068.83

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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.