Home / 3,308.50-4,565.57-1,981.95

Finding the Fourth Proportional to 3,308.50, 4,565.57 and 1,981.95

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Solution

The fourth proportional to 3,308.50, 4,565.57 and 1,981.95 is: 2,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.50 : 4,565.57 = 1,981.95 : x
  2. Step 2: Convert to fraction form
    3,308.50/4,565.57 = 1,981.95/x
  3. Step 3: Cross multiply
    3,308.50x = 4,565.57 × 1,981.95
  4. Step 4: Simplify right side
    3,308.50x = 9,048,731.46
  5. Step 5: Solve for x
    x = 9,048,731.46/3,308.50
  6. Step 6: Final answer
    x = 2,735.00

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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.