Home / 3,478.13-5,217.28-1,169.63

Finding the Fourth Proportional to 3,478.13, 5,217.28 and 1,169.63

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Solution

The fourth proportional to 3,478.13, 5,217.28 and 1,169.63 is: 1,754.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478.13 : 5,217.28 = 1,169.63 : x
  2. Step 2: Convert to fraction form
    3,478.13/5,217.28 = 1,169.63/x
  3. Step 3: Cross multiply
    3,478.13x = 5,217.28 × 1,169.63
  4. Step 4: Simplify right side
    3,478.13x = 6,102,258.20
  5. Step 5: Solve for x
    x = 6,102,258.20/3,478.13
  6. Step 6: Final answer
    x = 1,754.47

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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.