Home / 1,517.79-2,094.12-927.93

Finding the Fourth Proportional to 1,517.79, 2,094.12 and 927.93

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Solution

The fourth proportional to 1,517.79, 2,094.12 and 927.93 is: 1,280.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517.79 : 2,094.12 = 927.93 : x
  2. Step 2: Convert to fraction form
    1,517.79/2,094.12 = 927.93/x
  3. Step 3: Cross multiply
    1,517.79x = 2,094.12 × 927.93
  4. Step 4: Simplify right side
    1,517.79x = 1,943,196.77
  5. Step 5: Solve for x
    x = 1,943,196.77/1,517.79
  6. Step 6: Final answer
    x = 1,280.28

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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.