Home / 2,986.18-4,125.28-2,204.54

Finding the Fourth Proportional to 2,986.18, 4,125.28 and 2,204.54

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Solution

The fourth proportional to 2,986.18, 4,125.28 and 2,204.54 is: 3,045.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.18 : 4,125.28 = 2,204.54 : x
  2. Step 2: Convert to fraction form
    2,986.18/4,125.28 = 2,204.54/x
  3. Step 3: Cross multiply
    2,986.18x = 4,125.28 × 2,204.54
  4. Step 4: Simplify right side
    2,986.18x = 9,094,344.77
  5. Step 5: Solve for x
    x = 9,094,344.77/2,986.18
  6. Step 6: Final answer
    x = 3,045.48

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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.