Home / 3,254.09-4,489.43-2,135.65

Finding the Fourth Proportional to 3,254.09, 4,489.43 and 2,135.65

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Solution

The fourth proportional to 3,254.09, 4,489.43 and 2,135.65 is: 2,946.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,254.09 : 4,489.43 = 2,135.65 : x
  2. Step 2: Convert to fraction form
    3,254.09/4,489.43 = 2,135.65/x
  3. Step 3: Cross multiply
    3,254.09x = 4,489.43 × 2,135.65
  4. Step 4: Simplify right side
    3,254.09x = 9,587,851.18
  5. Step 5: Solve for x
    x = 9,587,851.18/3,254.09
  6. Step 6: Final answer
    x = 2,946.40

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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.