Home / 3,448.89-4,757.85-2,122.11

Finding the Fourth Proportional to 3,448.89, 4,757.85 and 2,122.11

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Solution

The fourth proportional to 3,448.89, 4,757.85 and 2,122.11 is: 2,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.89 : 4,757.85 = 2,122.11 : x
  2. Step 2: Convert to fraction form
    3,448.89/4,757.85 = 2,122.11/x
  3. Step 3: Cross multiply
    3,448.89x = 4,757.85 × 2,122.11
  4. Step 4: Simplify right side
    3,448.89x = 10,096,681.06
  5. Step 5: Solve for x
    x = 10,096,681.06/3,448.89
  6. Step 6: Final answer
    x = 2,927.52

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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.