Home / 2,242.40-3,357.84-2,176.70

Finding the Fourth Proportional to 2,242.40, 3,357.84 and 2,176.70

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Solution

The fourth proportional to 2,242.40, 3,357.84 and 2,176.70 is: 3,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,242.40 : 3,357.84 = 2,176.70 : x
  2. Step 2: Convert to fraction form
    2,242.40/3,357.84 = 2,176.70/x
  3. Step 3: Cross multiply
    2,242.40x = 3,357.84 × 2,176.70
  4. Step 4: Simplify right side
    2,242.40x = 7,309,010.33
  5. Step 5: Solve for x
    x = 7,309,010.33/2,242.40
  6. Step 6: Final answer
    x = 3,259.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.