Home / 3,649.68-5,033.52-2,705.76

Finding the Fourth Proportional to 3,649.68, 5,033.52 and 2,705.76

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Solution

The fourth proportional to 3,649.68, 5,033.52 and 2,705.76 is: 3,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.68 : 5,033.52 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    3,649.68/5,033.52 = 2,705.76/x
  3. Step 3: Cross multiply
    3,649.68x = 5,033.52 × 2,705.76
  4. Step 4: Simplify right side
    3,649.68x = 13,619,497.08
  5. Step 5: Solve for x
    x = 13,619,497.08/3,649.68
  6. Step 6: Final answer
    x = 3,731.70

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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.