Home / 2,377.08-3,279.63-1,382.17

Finding the Fourth Proportional to 2,377.08, 3,279.63 and 1,382.17

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Solution

The fourth proportional to 2,377.08, 3,279.63 and 1,382.17 is: 1,906.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.08 : 3,279.63 = 1,382.17 : x
  2. Step 2: Convert to fraction form
    2,377.08/3,279.63 = 1,382.17/x
  3. Step 3: Cross multiply
    2,377.08x = 3,279.63 × 1,382.17
  4. Step 4: Simplify right side
    2,377.08x = 4,533,006.20
  5. Step 5: Solve for x
    x = 4,533,006.20/2,377.08
  6. Step 6: Final answer
    x = 1,906.96

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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.