Home / 3,270.90-4,513.32-2,152.29

Finding the Fourth Proportional to 3,270.90, 4,513.32 and 2,152.29

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Solution

The fourth proportional to 3,270.90, 4,513.32 and 2,152.29 is: 2,969.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.90 : 4,513.32 = 2,152.29 : x
  2. Step 2: Convert to fraction form
    3,270.90/4,513.32 = 2,152.29/x
  3. Step 3: Cross multiply
    3,270.90x = 4,513.32 × 2,152.29
  4. Step 4: Simplify right side
    3,270.90x = 9,713,973.50
  5. Step 5: Solve for x
    x = 9,713,973.50/3,270.90
  6. Step 6: Final answer
    x = 2,969.82

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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.