Home / 2,237.30-3,087.11-1,242.55

Finding the Fourth Proportional to 2,237.30, 3,087.11 and 1,242.55

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Solution

The fourth proportional to 2,237.30, 3,087.11 and 1,242.55 is: 1,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.30 : 3,087.11 = 1,242.55 : x
  2. Step 2: Convert to fraction form
    2,237.30/3,087.11 = 1,242.55/x
  3. Step 3: Cross multiply
    2,237.30x = 3,087.11 × 1,242.55
  4. Step 4: Simplify right side
    2,237.30x = 3,835,888.53
  5. Step 5: Solve for x
    x = 3,835,888.53/2,237.30
  6. Step 6: Final answer
    x = 1,714.52

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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.