Home / 2,705.90-4,059.25-1,882.12

Finding the Fourth Proportional to 2,705.90, 4,059.25 and 1,882.12

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Solution

The fourth proportional to 2,705.90, 4,059.25 and 1,882.12 is: 2,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,705.90 : 4,059.25 = 1,882.12 : x
  2. Step 2: Convert to fraction form
    2,705.90/4,059.25 = 1,882.12/x
  3. Step 3: Cross multiply
    2,705.90x = 4,059.25 × 1,882.12
  4. Step 4: Simplify right side
    2,705.90x = 7,639,995.61
  5. Step 5: Solve for x
    x = 7,639,995.61/2,705.90
  6. Step 6: Final answer
    x = 2,823.46

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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.