Home / 3,516.32-5,275.38-1,325.66

Finding the Fourth Proportional to 3,516.32, 5,275.38 and 1,325.66

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Solution

The fourth proportional to 3,516.32, 5,275.38 and 1,325.66 is: 1,988.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.32 : 5,275.38 = 1,325.66 : x
  2. Step 2: Convert to fraction form
    3,516.32/5,275.38 = 1,325.66/x
  3. Step 3: Cross multiply
    3,516.32x = 5,275.38 × 1,325.66
  4. Step 4: Simplify right side
    3,516.32x = 6,993,360.25
  5. Step 5: Solve for x
    x = 6,993,360.25/3,516.32
  6. Step 6: Final answer
    x = 1,988.83

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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.