Home / 1,624.22-2,240.38-960.61

Finding the Fourth Proportional to 1,624.22, 2,240.38 and 960.61

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Solution

The fourth proportional to 1,624.22, 2,240.38 and 960.61 is: 1,325.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.22 : 2,240.38 = 960.61 : x
  2. Step 2: Convert to fraction form
    1,624.22/2,240.38 = 960.61/x
  3. Step 3: Cross multiply
    1,624.22x = 2,240.38 × 960.61
  4. Step 4: Simplify right side
    1,624.22x = 2,152,125.83
  5. Step 5: Solve for x
    x = 2,152,125.83/1,624.22
  6. Step 6: Final answer
    x = 1,325.02

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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.