Home / 3,746.12-5,170.05-2,330.72

Finding the Fourth Proportional to 3,746.12, 5,170.05 and 2,330.72

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Solution

The fourth proportional to 3,746.12, 5,170.05 and 2,330.72 is: 3,216.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.12 : 5,170.05 = 2,330.72 : x
  2. Step 2: Convert to fraction form
    3,746.12/5,170.05 = 2,330.72/x
  3. Step 3: Cross multiply
    3,746.12x = 5,170.05 × 2,330.72
  4. Step 4: Simplify right side
    3,746.12x = 12,049,901.43
  5. Step 5: Solve for x
    x = 12,049,901.43/3,746.12
  6. Step 6: Final answer
    x = 3,216.64

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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.