Home / 2,235.90-3,085.49-1,241.12

Finding the Fourth Proportional to 2,235.90, 3,085.49 and 1,241.12

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Solution

The fourth proportional to 2,235.90, 3,085.49 and 1,241.12 is: 1,712.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.90 : 3,085.49 = 1,241.12 : x
  2. Step 2: Convert to fraction form
    2,235.90/3,085.49 = 1,241.12/x
  3. Step 3: Cross multiply
    2,235.90x = 3,085.49 × 1,241.12
  4. Step 4: Simplify right side
    2,235.90x = 3,829,474.17
  5. Step 5: Solve for x
    x = 3,829,474.17/2,235.90
  6. Step 6: Final answer
    x = 1,712.72

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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.