Home / 3,734.64-5,605.20-2,176.20

Finding the Fourth Proportional to 3,734.64, 5,605.20 and 2,176.20

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Solution

The fourth proportional to 3,734.64, 5,605.20 and 2,176.20 is: 3,266.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,734.64 : 5,605.20 = 2,176.20 : x
  2. Step 2: Convert to fraction form
    3,734.64/5,605.20 = 2,176.20/x
  3. Step 3: Cross multiply
    3,734.64x = 5,605.20 × 2,176.20
  4. Step 4: Simplify right side
    3,734.64x = 12,198,036.24
  5. Step 5: Solve for x
    x = 12,198,036.24/3,734.64
  6. Step 6: Final answer
    x = 3,266.19

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1.5x scale

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.