Home / 3,508.80-4,842.12-2,017.08

Finding the Fourth Proportional to 3,508.80, 4,842.12 and 2,017.08

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Solution

The fourth proportional to 3,508.80, 4,842.12 and 2,017.08 is: 2,783.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.80 : 4,842.12 = 2,017.08 : x
  2. Step 2: Convert to fraction form
    3,508.80/4,842.12 = 2,017.08/x
  3. Step 3: Cross multiply
    3,508.80x = 4,842.12 × 2,017.08
  4. Step 4: Simplify right side
    3,508.80x = 9,766,943.41
  5. Step 5: Solve for x
    x = 9,766,943.41/3,508.80
  6. Step 6: Final answer
    x = 2,783.56

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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.