Home / 2,740.28-4,104.12-1,642.22

Finding the Fourth Proportional to 2,740.28, 4,104.12 and 1,642.22

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Solution

The fourth proportional to 2,740.28, 4,104.12 and 1,642.22 is: 2,459.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,740.28 : 4,104.12 = 1,642.22 : x
  2. Step 2: Convert to fraction form
    2,740.28/4,104.12 = 1,642.22/x
  3. Step 3: Cross multiply
    2,740.28x = 4,104.12 × 1,642.22
  4. Step 4: Simplify right side
    2,740.28x = 6,739,882.82
  5. Step 5: Solve for x
    x = 6,739,882.82/2,740.28
  6. Step 6: Final answer
    x = 2,459.56

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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.