Home / 3,168.45-4,373.55-1,842.57

Finding the Fourth Proportional to 3,168.45, 4,373.55 and 1,842.57

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Solution

The fourth proportional to 3,168.45, 4,373.55 and 1,842.57 is: 2,543.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.45 : 4,373.55 = 1,842.57 : x
  2. Step 2: Convert to fraction form
    3,168.45/4,373.55 = 1,842.57/x
  3. Step 3: Cross multiply
    3,168.45x = 4,373.55 × 1,842.57
  4. Step 4: Simplify right side
    3,168.45x = 8,058,572.02
  5. Step 5: Solve for x
    x = 8,058,572.02/3,168.45
  6. Step 6: Final answer
    x = 2,543.38

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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.