Home / 3,728.68-5,591.66-1,095.51

Finding the Fourth Proportional to 3,728.68, 5,591.66 and 1,095.51

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Solution

The fourth proportional to 3,728.68, 5,591.66 and 1,095.51 is: 1,642.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.68 : 5,591.66 = 1,095.51 : x
  2. Step 2: Convert to fraction form
    3,728.68/5,591.66 = 1,095.51/x
  3. Step 3: Cross multiply
    3,728.68x = 5,591.66 × 1,095.51
  4. Step 4: Simplify right side
    3,728.68x = 6,125,730.16
  5. Step 5: Solve for x
    x = 6,125,730.16/3,728.68
  6. Step 6: Final answer
    x = 1,642.87

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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.