Home / 3,608.68-5,411.88-1,876.36

Finding the Fourth Proportional to 3,608.68, 5,411.88 and 1,876.36

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Solution

The fourth proportional to 3,608.68, 5,411.88 and 1,876.36 is: 2,813.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.68 : 5,411.88 = 1,876.36 : x
  2. Step 2: Convert to fraction form
    3,608.68/5,411.88 = 1,876.36/x
  3. Step 3: Cross multiply
    3,608.68x = 5,411.88 × 1,876.36
  4. Step 4: Simplify right side
    3,608.68x = 10,154,635.16
  5. Step 5: Solve for x
    x = 10,154,635.16/3,608.68
  6. Step 6: Final answer
    x = 2,813.95

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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.