Home / 3,517.02-5,277.96-1,325.70

Finding the Fourth Proportional to 3,517.02, 5,277.96 and 1,325.70

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Solution

The fourth proportional to 3,517.02, 5,277.96 and 1,325.70 is: 1,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.02 : 5,277.96 = 1,325.70 : x
  2. Step 2: Convert to fraction form
    3,517.02/5,277.96 = 1,325.70/x
  3. Step 3: Cross multiply
    3,517.02x = 5,277.96 × 1,325.70
  4. Step 4: Simplify right side
    3,517.02x = 6,996,991.57
  5. Step 5: Solve for x
    x = 6,996,991.57/3,517.02
  6. Step 6: Final answer
    x = 1,989.47

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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.