Home / 1,773.18-2,445.80-1,142.75

Finding the Fourth Proportional to 1,773.18, 2,445.80 and 1,142.75

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Solution

The fourth proportional to 1,773.18, 2,445.80 and 1,142.75 is: 1,576.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.18 : 2,445.80 = 1,142.75 : x
  2. Step 2: Convert to fraction form
    1,773.18/2,445.80 = 1,142.75/x
  3. Step 3: Cross multiply
    1,773.18x = 2,445.80 × 1,142.75
  4. Step 4: Simplify right side
    1,773.18x = 2,794,938.35
  5. Step 5: Solve for x
    x = 2,794,938.35/1,773.18
  6. Step 6: Final answer
    x = 1,576.23

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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.