Home / 1,283.15-1,926.95-1,224.72

Finding the Fourth Proportional to 1,283.15, 1,926.95 and 1,224.72

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Solution

The fourth proportional to 1,283.15, 1,926.95 and 1,224.72 is: 1,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283.15 : 1,926.95 = 1,224.72 : x
  2. Step 2: Convert to fraction form
    1,283.15/1,926.95 = 1,224.72/x
  3. Step 3: Cross multiply
    1,283.15x = 1,926.95 × 1,224.72
  4. Step 4: Simplify right side
    1,283.15x = 2,359,976.69
  5. Step 5: Solve for x
    x = 2,359,976.69/1,283.15
  6. Step 6: Final answer
    x = 1,839.20

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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.