Home / 3,988.17-5,501.23-2,571.33

Finding the Fourth Proportional to 3,988.17, 5,501.23 and 2,571.33

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Solution

The fourth proportional to 3,988.17, 5,501.23 and 2,571.33 is: 3,546.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.17 : 5,501.23 = 2,571.33 : x
  2. Step 2: Convert to fraction form
    3,988.17/5,501.23 = 2,571.33/x
  3. Step 3: Cross multiply
    3,988.17x = 5,501.23 × 2,571.33
  4. Step 4: Simplify right side
    3,988.17x = 14,145,477.74
  5. Step 5: Solve for x
    x = 14,145,477.74/3,988.17
  6. Step 6: Final answer
    x = 3,546.86

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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.