Home / 2,717.80-4,081.65-1,624.30

Finding the Fourth Proportional to 2,717.80, 4,081.65 and 1,624.30

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Solution

The fourth proportional to 2,717.80, 4,081.65 and 1,624.30 is: 2,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.80 : 4,081.65 = 1,624.30 : x
  2. Step 2: Convert to fraction form
    2,717.80/4,081.65 = 1,624.30/x
  3. Step 3: Cross multiply
    2,717.80x = 4,081.65 × 1,624.30
  4. Step 4: Simplify right side
    2,717.80x = 6,629,824.10
  5. Step 5: Solve for x
    x = 6,629,824.10/2,717.80
  6. Step 6: Final answer
    x = 2,439.41

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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.