Home / 4,072.12-5,620.13-2,580.18

Finding the Fourth Proportional to 4,072.12, 5,620.13 and 2,580.18

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Solution

The fourth proportional to 4,072.12, 5,620.13 and 2,580.18 is: 3,561.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.12 : 5,620.13 = 2,580.18 : x
  2. Step 2: Convert to fraction form
    4,072.12/5,620.13 = 2,580.18/x
  3. Step 3: Cross multiply
    4,072.12x = 5,620.13 × 2,580.18
  4. Step 4: Simplify right side
    4,072.12x = 14,500,906.02
  5. Step 5: Solve for x
    x = 14,500,906.02/4,072.12
  6. Step 6: Final answer
    x = 3,561.02

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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.