Home / 3,065.45-4,599.25-1,309.70

Finding the Fourth Proportional to 3,065.45, 4,599.25 and 1,309.70

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Solution

The fourth proportional to 3,065.45, 4,599.25 and 1,309.70 is: 1,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.45 : 4,599.25 = 1,309.70 : x
  2. Step 2: Convert to fraction form
    3,065.45/4,599.25 = 1,309.70/x
  3. Step 3: Cross multiply
    3,065.45x = 4,599.25 × 1,309.70
  4. Step 4: Simplify right side
    3,065.45x = 6,023,645.95
  5. Step 5: Solve for x
    x = 6,023,645.95/3,065.45
  6. Step 6: Final answer
    x = 1,965.02

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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.