Home / 1,262.16-1,883.46-1,252.56

Finding the Fourth Proportional to 1,262.16, 1,883.46 and 1,252.56

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Solution

The fourth proportional to 1,262.16, 1,883.46 and 1,252.56 is: 1,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.16 : 1,883.46 = 1,252.56 : x
  2. Step 2: Convert to fraction form
    1,262.16/1,883.46 = 1,252.56/x
  3. Step 3: Cross multiply
    1,262.16x = 1,883.46 × 1,252.56
  4. Step 4: Simplify right side
    1,262.16x = 2,359,146.66
  5. Step 5: Solve for x
    x = 2,359,146.66/1,262.16
  6. Step 6: Final answer
    x = 1,869.13

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1.5x scale

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.