Home / 2,238.98-3,090.15-1,244.57

Finding the Fourth Proportional to 2,238.98, 3,090.15 and 1,244.57

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Solution

The fourth proportional to 2,238.98, 3,090.15 and 1,244.57 is: 1,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238.98 : 3,090.15 = 1,244.57 : x
  2. Step 2: Convert to fraction form
    2,238.98/3,090.15 = 1,244.57/x
  3. Step 3: Cross multiply
    2,238.98x = 3,090.15 × 1,244.57
  4. Step 4: Simplify right side
    2,238.98x = 3,845,892.53
  5. Step 5: Solve for x
    x = 3,845,892.53/2,238.98
  6. Step 6: Final answer
    x = 1,717.70

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1.5x scale

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.