Home / 3,261.20-4,873.23-3,187.35

Finding the Fourth Proportional to 3,261.20, 4,873.23 and 3,187.35

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Solution

The fourth proportional to 3,261.20, 4,873.23 and 3,187.35 is: 4,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,261.20 : 4,873.23 = 3,187.35 : x
  2. Step 2: Convert to fraction form
    3,261.20/4,873.23 = 3,187.35/x
  3. Step 3: Cross multiply
    3,261.20x = 4,873.23 × 3,187.35
  4. Step 4: Simplify right side
    3,261.20x = 15,532,689.64
  5. Step 5: Solve for x
    x = 15,532,689.64/3,261.20
  6. Step 6: Final answer
    x = 4,762.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.