Home / 3,720.15-5,580.59-1,348.83

Finding the Fourth Proportional to 3,720.15, 5,580.59 and 1,348.83

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Solution

The fourth proportional to 3,720.15, 5,580.59 and 1,348.83 is: 2,023.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.15 : 5,580.59 = 1,348.83 : x
  2. Step 2: Convert to fraction form
    3,720.15/5,580.59 = 1,348.83/x
  3. Step 3: Cross multiply
    3,720.15x = 5,580.59 × 1,348.83
  4. Step 4: Simplify right side
    3,720.15x = 7,527,260.47
  5. Step 5: Solve for x
    x = 7,527,260.47/3,720.15
  6. Step 6: Final answer
    x = 2,023.38

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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.