Home / 3,155.04-4,353.98-1,738.85

Finding the Fourth Proportional to 3,155.04, 4,353.98 and 1,738.85

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Solution

The fourth proportional to 3,155.04, 4,353.98 and 1,738.85 is: 2,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.04 : 4,353.98 = 1,738.85 : x
  2. Step 2: Convert to fraction form
    3,155.04/4,353.98 = 1,738.85/x
  3. Step 3: Cross multiply
    3,155.04x = 4,353.98 × 1,738.85
  4. Step 4: Simplify right side
    3,155.04x = 7,570,887.66
  5. Step 5: Solve for x
    x = 7,570,887.66/3,155.04
  6. Step 6: Final answer
    x = 2,399.62

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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.