Home / 3,586.30-5,377.72-1,831.90

Finding the Fourth Proportional to 3,586.30, 5,377.72 and 1,831.90

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Solution

The fourth proportional to 3,586.30, 5,377.72 and 1,831.90 is: 2,746.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.30 : 5,377.72 = 1,831.90 : x
  2. Step 2: Convert to fraction form
    3,586.30/5,377.72 = 1,831.90/x
  3. Step 3: Cross multiply
    3,586.30x = 5,377.72 × 1,831.90
  4. Step 4: Simplify right side
    3,586.30x = 9,851,445.27
  5. Step 5: Solve for x
    x = 9,851,445.27/3,586.30
  6. Step 6: Final answer
    x = 2,746.97

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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.