Home / 2,414.30-3,620.55-1,681.70

Finding the Fourth Proportional to 2,414.30, 3,620.55 and 1,681.70

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Solution

The fourth proportional to 2,414.30, 3,620.55 and 1,681.70 is: 2,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.30 : 3,620.55 = 1,681.70 : x
  2. Step 2: Convert to fraction form
    2,414.30/3,620.55 = 1,681.70/x
  3. Step 3: Cross multiply
    2,414.30x = 3,620.55 × 1,681.70
  4. Step 4: Simplify right side
    2,414.30x = 6,088,678.94
  5. Step 5: Solve for x
    x = 6,088,678.94/2,414.30
  6. Step 6: Final answer
    x = 2,521.92

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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.