Home / 1,248.42-1,862.04-1,226.55

Finding the Fourth Proportional to 1,248.42, 1,862.04 and 1,226.55

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Solution

The fourth proportional to 1,248.42, 1,862.04 and 1,226.55 is: 1,829.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248.42 : 1,862.04 = 1,226.55 : x
  2. Step 2: Convert to fraction form
    1,248.42/1,862.04 = 1,226.55/x
  3. Step 3: Cross multiply
    1,248.42x = 1,862.04 × 1,226.55
  4. Step 4: Simplify right side
    1,248.42x = 2,283,885.16
  5. Step 5: Solve for x
    x = 2,283,885.16/1,248.42
  6. Step 6: Final answer
    x = 1,829.42

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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.