Home / 1,862.96-2,569.42-1,199.88

Finding the Fourth Proportional to 1,862.96, 2,569.42 and 1,199.88

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Solution

The fourth proportional to 1,862.96, 2,569.42 and 1,199.88 is: 1,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.96 : 2,569.42 = 1,199.88 : x
  2. Step 2: Convert to fraction form
    1,862.96/2,569.42 = 1,199.88/x
  3. Step 3: Cross multiply
    1,862.96x = 2,569.42 × 1,199.88
  4. Step 4: Simplify right side
    1,862.96x = 3,082,995.67
  5. Step 5: Solve for x
    x = 3,082,995.67/1,862.96
  6. Step 6: Final answer
    x = 1,654.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.