Home / 1,282.74-1,913.76-1,144.26

Finding the Fourth Proportional to 1,282.74, 1,913.76 and 1,144.26

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Solution

The fourth proportional to 1,282.74, 1,913.76 and 1,144.26 is: 1,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282.74 : 1,913.76 = 1,144.26 : x
  2. Step 2: Convert to fraction form
    1,282.74/1,913.76 = 1,144.26/x
  3. Step 3: Cross multiply
    1,282.74x = 1,913.76 × 1,144.26
  4. Step 4: Simplify right side
    1,282.74x = 2,189,839.02
  5. Step 5: Solve for x
    x = 2,189,839.02/1,282.74
  6. Step 6: Final answer
    x = 1,707.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.