Home / 3,170.60-4,366.42-3,102.76

Finding the Fourth Proportional to 3,170.60, 4,366.42 and 3,102.76

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Solution

The fourth proportional to 3,170.60, 4,366.42 and 3,102.76 is: 4,272.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.60 : 4,366.42 = 3,102.76 : x
  2. Step 2: Convert to fraction form
    3,170.60/4,366.42 = 3,102.76/x
  3. Step 3: Cross multiply
    3,170.60x = 4,366.42 × 3,102.76
  4. Step 4: Simplify right side
    3,170.60x = 13,547,953.32
  5. Step 5: Solve for x
    x = 13,547,953.32/3,170.60
  6. Step 6: Final answer
    x = 4,272.99

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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.