Home / 951.02-1,311.60-754.19

Finding the Fourth Proportional to 951.02, 1,311.60 and 754.19

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Solution

The fourth proportional to 951.02, 1,311.60 and 754.19 is: 1,040.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    951.02 : 1,311.60 = 754.19 : x
  2. Step 2: Convert to fraction form
    951.02/1,311.60 = 754.19/x
  3. Step 3: Cross multiply
    951.02x = 1,311.60 × 754.19
  4. Step 4: Simplify right side
    951.02x = 989,195.60
  5. Step 5: Solve for x
    x = 989,195.60/951.02
  6. Step 6: Final answer
    x = 1,040.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.