Home / 2,084.32-3,125.85-1,718.20

Finding the Fourth Proportional to 2,084.32, 3,125.85 and 1,718.20

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Solution

The fourth proportional to 2,084.32, 3,125.85 and 1,718.20 is: 2,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.32 : 3,125.85 = 1,718.20 : x
  2. Step 2: Convert to fraction form
    2,084.32/3,125.85 = 1,718.20/x
  3. Step 3: Cross multiply
    2,084.32x = 3,125.85 × 1,718.20
  4. Step 4: Simplify right side
    2,084.32x = 5,370,835.47
  5. Step 5: Solve for x
    x = 5,370,835.47/2,084.32
  6. Step 6: Final answer
    x = 2,576.78

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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.