Home / 3,932.70-5,901.74-1,624.20

Finding the Fourth Proportional to 3,932.70, 5,901.74 and 1,624.20

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Solution

The fourth proportional to 3,932.70, 5,901.74 and 1,624.20 is: 2,437.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.70 : 5,901.74 = 1,624.20 : x
  2. Step 2: Convert to fraction form
    3,932.70/5,901.74 = 1,624.20/x
  3. Step 3: Cross multiply
    3,932.70x = 5,901.74 × 1,624.20
  4. Step 4: Simplify right side
    3,932.70x = 9,585,606.11
  5. Step 5: Solve for x
    x = 9,585,606.11/3,932.70
  6. Step 6: Final answer
    x = 2,437.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.