Home / 3,580.45-5,370.68-1,937.77

Finding the Fourth Proportional to 3,580.45, 5,370.68 and 1,937.77

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Solution

The fourth proportional to 3,580.45, 5,370.68 and 1,937.77 is: 2,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.45 : 5,370.68 = 1,937.77 : x
  2. Step 2: Convert to fraction form
    3,580.45/5,370.68 = 1,937.77/x
  3. Step 3: Cross multiply
    3,580.45x = 5,370.68 × 1,937.77
  4. Step 4: Simplify right side
    3,580.45x = 10,407,142.58
  5. Step 5: Solve for x
    x = 10,407,142.58/3,580.45
  6. Step 6: Final answer
    x = 2,906.66

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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.