Home / 3,174.64-4,375.50-2,387.32

Finding the Fourth Proportional to 3,174.64, 4,375.50 and 2,387.32

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Solution

The fourth proportional to 3,174.64, 4,375.50 and 2,387.32 is: 3,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.64 : 4,375.50 = 2,387.32 : x
  2. Step 2: Convert to fraction form
    3,174.64/4,375.50 = 2,387.32/x
  3. Step 3: Cross multiply
    3,174.64x = 4,375.50 × 2,387.32
  4. Step 4: Simplify right side
    3,174.64x = 10,445,718.66
  5. Step 5: Solve for x
    x = 10,445,718.66/3,174.64
  6. Step 6: Final answer
    x = 3,290.36

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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.