Home / 2,331.16-3,515.05-2,137.45

Finding the Fourth Proportional to 2,331.16, 3,515.05 and 2,137.45

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Solution

The fourth proportional to 2,331.16, 3,515.05 and 2,137.45 is: 3,222.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.16 : 3,515.05 = 2,137.45 : x
  2. Step 2: Convert to fraction form
    2,331.16/3,515.05 = 2,137.45/x
  3. Step 3: Cross multiply
    2,331.16x = 3,515.05 × 2,137.45
  4. Step 4: Simplify right side
    2,331.16x = 7,513,243.62
  5. Step 5: Solve for x
    x = 7,513,243.62/2,331.16
  6. Step 6: Final answer
    x = 3,222.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.