Home / 3,516.64-5,275.70-1,325.39

Finding the Fourth Proportional to 3,516.64, 5,275.70 and 1,325.39

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Solution

The fourth proportional to 3,516.64, 5,275.70 and 1,325.39 is: 1,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,516.64 : 5,275.70 = 1,325.39 : x
  2. Step 2: Convert to fraction form
    3,516.64/5,275.70 = 1,325.39/x
  3. Step 3: Cross multiply
    3,516.64x = 5,275.70 × 1,325.39
  4. Step 4: Simplify right side
    3,516.64x = 6,992,331.99
  5. Step 5: Solve for x
    x = 6,992,331.99/3,516.64
  6. Step 6: Final answer
    x = 1,988.36

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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.