Home / 3,079.76-4,621.48-1,132.16

Finding the Fourth Proportional to 3,079.76, 4,621.48 and 1,132.16

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Solution

The fourth proportional to 3,079.76, 4,621.48 and 1,132.16 is: 1,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.76 : 4,621.48 = 1,132.16 : x
  2. Step 2: Convert to fraction form
    3,079.76/4,621.48 = 1,132.16/x
  3. Step 3: Cross multiply
    3,079.76x = 4,621.48 × 1,132.16
  4. Step 4: Simplify right side
    3,079.76x = 5,232,254.80
  5. Step 5: Solve for x
    x = 5,232,254.80/3,079.76
  6. Step 6: Final answer
    x = 1,698.92

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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.