Home / 3,253.61-4,876.71-1,378.33

Finding the Fourth Proportional to 3,253.61, 4,876.71 and 1,378.33

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Solution

The fourth proportional to 3,253.61, 4,876.71 and 1,378.33 is: 2,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.61 : 4,876.71 = 1,378.33 : x
  2. Step 2: Convert to fraction form
    3,253.61/4,876.71 = 1,378.33/x
  3. Step 3: Cross multiply
    3,253.61x = 4,876.71 × 1,378.33
  4. Step 4: Simplify right side
    3,253.61x = 6,721,698.33
  5. Step 5: Solve for x
    x = 6,721,698.33/3,253.61
  6. Step 6: Final answer
    x = 2,065.92

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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.