Home / 3,040.65-4,194.45-2,154.96

Finding the Fourth Proportional to 3,040.65, 4,194.45 and 2,154.96

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Solution

The fourth proportional to 3,040.65, 4,194.45 and 2,154.96 is: 2,972.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.65 : 4,194.45 = 2,154.96 : x
  2. Step 2: Convert to fraction form
    3,040.65/4,194.45 = 2,154.96/x
  3. Step 3: Cross multiply
    3,040.65x = 4,194.45 × 2,154.96
  4. Step 4: Simplify right side
    3,040.65x = 9,038,871.97
  5. Step 5: Solve for x
    x = 9,038,871.97/3,040.65
  6. Step 6: Final answer
    x = 2,972.68

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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.