Home / 1,516.35-2,275.67-1,224.61

Finding the Fourth Proportional to 1,516.35, 2,275.67 and 1,224.61

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Solution

The fourth proportional to 1,516.35, 2,275.67 and 1,224.61 is: 1,837.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,516.35 : 2,275.67 = 1,224.61 : x
  2. Step 2: Convert to fraction form
    1,516.35/2,275.67 = 1,224.61/x
  3. Step 3: Cross multiply
    1,516.35x = 2,275.67 × 1,224.61
  4. Step 4: Simplify right side
    1,516.35x = 2,786,808.24
  5. Step 5: Solve for x
    x = 2,786,808.24/1,516.35
  6. Step 6: Final answer
    x = 1,837.84

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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.