Home / 3,253.10-4,879.65-1,306.70

Finding the Fourth Proportional to 3,253.10, 4,879.65 and 1,306.70

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Solution

The fourth proportional to 3,253.10, 4,879.65 and 1,306.70 is: 1,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.10 : 4,879.65 = 1,306.70 : x
  2. Step 2: Convert to fraction form
    3,253.10/4,879.65 = 1,306.70/x
  3. Step 3: Cross multiply
    3,253.10x = 4,879.65 × 1,306.70
  4. Step 4: Simplify right side
    3,253.10x = 6,376,238.66
  5. Step 5: Solve for x
    x = 6,376,238.66/3,253.10
  6. Step 6: Final answer
    x = 1,960.05

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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.