Home / 1,517.39-2,094.08-927.75

Finding the Fourth Proportional to 1,517.39, 2,094.08 and 927.75

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Solution

The fourth proportional to 1,517.39, 2,094.08 and 927.75 is: 1,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.39 : 2,094.08 = 927.75 : x
  2. Step 2: Convert to fraction form
    1,517.39/2,094.08 = 927.75/x
  3. Step 3: Cross multiply
    1,517.39x = 2,094.08 × 927.75
  4. Step 4: Simplify right side
    1,517.39x = 1,942,782.72
  5. Step 5: Solve for x
    x = 1,942,782.72/1,517.39
  6. Step 6: Final answer
    x = 1,280.35

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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.