Home / 1,516.85-2,093.28-927.71

Finding the Fourth Proportional to 1,516.85, 2,093.28 and 927.71

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Solution

The fourth proportional to 1,516.85, 2,093.28 and 927.71 is: 1,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.85 : 2,093.28 = 927.71 : x
  2. Step 2: Convert to fraction form
    1,516.85/2,093.28 = 927.71/x
  3. Step 3: Cross multiply
    1,516.85x = 2,093.28 × 927.71
  4. Step 4: Simplify right side
    1,516.85x = 1,941,956.79
  5. Step 5: Solve for x
    x = 1,941,956.79/1,516.85
  6. Step 6: Final answer
    x = 1,280.26

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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.