Home / 3,377.76-5,065.08-2,645.76

Finding the Fourth Proportional to 3,377.76, 5,065.08 and 2,645.76

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Solution

The fourth proportional to 3,377.76, 5,065.08 and 2,645.76 is: 3,967.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.76 : 5,065.08 = 2,645.76 : x
  2. Step 2: Convert to fraction form
    3,377.76/5,065.08 = 2,645.76/x
  3. Step 3: Cross multiply
    3,377.76x = 5,065.08 × 2,645.76
  4. Step 4: Simplify right side
    3,377.76x = 13,400,986.06
  5. Step 5: Solve for x
    x = 13,400,986.06/3,377.76
  6. Step 6: Final answer
    x = 3,967.42

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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.