Home / 3,281.00-4,920.42-1,089.14

Finding the Fourth Proportional to 3,281.00, 4,920.42 and 1,089.14

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Solution

The fourth proportional to 3,281.00, 4,920.42 and 1,089.14 is: 1,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281.00 : 4,920.42 = 1,089.14 : x
  2. Step 2: Convert to fraction form
    3,281.00/4,920.42 = 1,089.14/x
  3. Step 3: Cross multiply
    3,281.00x = 4,920.42 × 1,089.14
  4. Step 4: Simplify right side
    3,281.00x = 5,359,001.64
  5. Step 5: Solve for x
    x = 5,359,001.64/3,281.00
  6. Step 6: Final answer
    x = 1,633.35

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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.