Home / 1,342.54-2,017.78-1,306.18

Finding the Fourth Proportional to 1,342.54, 2,017.78 and 1,306.18

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Solution

The fourth proportional to 1,342.54, 2,017.78 and 1,306.18 is: 1,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342.54 : 2,017.78 = 1,306.18 : x
  2. Step 2: Convert to fraction form
    1,342.54/2,017.78 = 1,306.18/x
  3. Step 3: Cross multiply
    1,342.54x = 2,017.78 × 1,306.18
  4. Step 4: Simplify right side
    1,342.54x = 2,635,583.88
  5. Step 5: Solve for x
    x = 2,635,583.88/1,342.54
  6. Step 6: Final answer
    x = 1,963.13

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1.5x scale

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.