Home / 1,452.42-2,176.45-1,243.06

Finding the Fourth Proportional to 1,452.42, 2,176.45 and 1,243.06

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Solution

The fourth proportional to 1,452.42, 2,176.45 and 1,243.06 is: 1,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.42 : 2,176.45 = 1,243.06 : x
  2. Step 2: Convert to fraction form
    1,452.42/2,176.45 = 1,243.06/x
  3. Step 3: Cross multiply
    1,452.42x = 2,176.45 × 1,243.06
  4. Step 4: Simplify right side
    1,452.42x = 2,705,457.94
  5. Step 5: Solve for x
    x = 2,705,457.94/1,452.42
  6. Step 6: Final answer
    x = 1,862.72

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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.