Home / 2,240.89-3,090.30-1,344.49

Finding the Fourth Proportional to 2,240.89, 3,090.30 and 1,344.49

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Solution

The fourth proportional to 2,240.89, 3,090.30 and 1,344.49 is: 1,854.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.89 : 3,090.30 = 1,344.49 : x
  2. Step 2: Convert to fraction form
    2,240.89/3,090.30 = 1,344.49/x
  3. Step 3: Cross multiply
    2,240.89x = 3,090.30 × 1,344.49
  4. Step 4: Simplify right side
    2,240.89x = 4,154,877.45
  5. Step 5: Solve for x
    x = 4,154,877.45/2,240.89
  6. Step 6: Final answer
    x = 1,854.12

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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.