Home / 3,516.49-5,275.62-1,325.24

Finding the Fourth Proportional to 3,516.49, 5,275.62 and 1,325.24

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Solution

The fourth proportional to 3,516.49, 5,275.62 and 1,325.24 is: 1,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.49 : 5,275.62 = 1,325.24 : x
  2. Step 2: Convert to fraction form
    3,516.49/5,275.62 = 1,325.24/x
  3. Step 3: Cross multiply
    3,516.49x = 5,275.62 × 1,325.24
  4. Step 4: Simplify right side
    3,516.49x = 6,991,436.27
  5. Step 5: Solve for x
    x = 6,991,436.27/3,516.49
  6. Step 6: Final answer
    x = 1,988.19

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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.