Home / 3,253.90-4,490.37-1,856.65

Finding the Fourth Proportional to 3,253.90, 4,490.37 and 1,856.65

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Solution

The fourth proportional to 3,253.90, 4,490.37 and 1,856.65 is: 2,562.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.90 : 4,490.37 = 1,856.65 : x
  2. Step 2: Convert to fraction form
    3,253.90/4,490.37 = 1,856.65/x
  3. Step 3: Cross multiply
    3,253.90x = 4,490.37 × 1,856.65
  4. Step 4: Simplify right side
    3,253.90x = 8,337,023.01
  5. Step 5: Solve for x
    x = 8,337,023.01/3,253.90
  6. Step 6: Final answer
    x = 2,562.17

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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.