Home / 3,013.57-4,154.45-2,215.49

Finding the Fourth Proportional to 3,013.57, 4,154.45 and 2,215.49

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Solution

The fourth proportional to 3,013.57, 4,154.45 and 2,215.49 is: 3,054.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.57 : 4,154.45 = 2,215.49 : x
  2. Step 2: Convert to fraction form
    3,013.57/4,154.45 = 2,215.49/x
  3. Step 3: Cross multiply
    3,013.57x = 4,154.45 × 2,215.49
  4. Step 4: Simplify right side
    3,013.57x = 9,204,112.14
  5. Step 5: Solve for x
    x = 9,204,112.14/3,013.57
  6. Step 6: Final answer
    x = 3,054.22

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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.