Home / 3,080.32-4,621.98-1,348.72

Finding the Fourth Proportional to 3,080.32, 4,621.98 and 1,348.72

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Solution

The fourth proportional to 3,080.32, 4,621.98 and 1,348.72 is: 2,023.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.32 : 4,621.98 = 1,348.72 : x
  2. Step 2: Convert to fraction form
    3,080.32/4,621.98 = 1,348.72/x
  3. Step 3: Cross multiply
    3,080.32x = 4,621.98 × 1,348.72
  4. Step 4: Simplify right side
    3,080.32x = 6,233,756.87
  5. Step 5: Solve for x
    x = 6,233,756.87/3,080.32
  6. Step 6: Final answer
    x = 2,023.74

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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.