Home / 4,071.12-5,620.19-2,637.18

Finding the Fourth Proportional to 4,071.12, 5,620.19 and 2,637.18

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Solution

The fourth proportional to 4,071.12, 5,620.19 and 2,637.18 is: 3,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.12 : 5,620.19 = 2,637.18 : x
  2. Step 2: Convert to fraction form
    4,071.12/5,620.19 = 2,637.18/x
  3. Step 3: Cross multiply
    4,071.12x = 5,620.19 × 2,637.18
  4. Step 4: Simplify right side
    4,071.12x = 14,821,439.48
  5. Step 5: Solve for x
    x = 14,821,439.48/4,071.12
  6. Step 6: Final answer
    x = 3,640.63

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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.