Home / 1,248.42-1,863.13-1,110.02

Finding the Fourth Proportional to 1,248.42, 1,863.13 and 1,110.02

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Solution

The fourth proportional to 1,248.42, 1,863.13 and 1,110.02 is: 1,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.42 : 1,863.13 = 1,110.02 : x
  2. Step 2: Convert to fraction form
    1,248.42/1,863.13 = 1,110.02/x
  3. Step 3: Cross multiply
    1,248.42x = 1,863.13 × 1,110.02
  4. Step 4: Simplify right side
    1,248.42x = 2,068,106.46
  5. Step 5: Solve for x
    x = 2,068,106.46/1,248.42
  6. Step 6: Final answer
    x = 1,656.58

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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.