Home / 3,391.20-5,088.09-1,746.70

Finding the Fourth Proportional to 3,391.20, 5,088.09 and 1,746.70

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Solution

The fourth proportional to 3,391.20, 5,088.09 and 1,746.70 is: 2,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391.20 : 5,088.09 = 1,746.70 : x
  2. Step 2: Convert to fraction form
    3,391.20/5,088.09 = 1,746.70/x
  3. Step 3: Cross multiply
    3,391.20x = 5,088.09 × 1,746.70
  4. Step 4: Simplify right side
    3,391.20x = 8,887,354.08
  5. Step 5: Solve for x
    x = 8,887,354.08/3,391.20
  6. Step 6: Final answer
    x = 2,620.71

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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.