Home / 2,355.91-3,247.43-1,882.31

Finding the Fourth Proportional to 2,355.91, 3,247.43 and 1,882.31

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Solution

The fourth proportional to 2,355.91, 3,247.43 and 1,882.31 is: 2,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.91 : 3,247.43 = 1,882.31 : x
  2. Step 2: Convert to fraction form
    2,355.91/3,247.43 = 1,882.31/x
  3. Step 3: Cross multiply
    2,355.91x = 3,247.43 × 1,882.31
  4. Step 4: Simplify right side
    2,355.91x = 6,112,663.55
  5. Step 5: Solve for x
    x = 6,112,663.55/2,355.91
  6. Step 6: Final answer
    x = 2,594.61

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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.