Home / 3,155.17-4,354.23-1,738.95

Finding the Fourth Proportional to 3,155.17, 4,354.23 and 1,738.95

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Solution

The fourth proportional to 3,155.17, 4,354.23 and 1,738.95 is: 2,399.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.17 : 4,354.23 = 1,738.95 : x
  2. Step 2: Convert to fraction form
    3,155.17/4,354.23 = 1,738.95/x
  3. Step 3: Cross multiply
    3,155.17x = 4,354.23 × 1,738.95
  4. Step 4: Simplify right side
    3,155.17x = 7,571,788.26
  5. Step 5: Solve for x
    x = 7,571,788.26/3,155.17
  6. Step 6: Final answer
    x = 2,399.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.