Home / 2,111.49-3,167.24-1,648.58

Finding the Fourth Proportional to 2,111.49, 3,167.24 and 1,648.58

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Solution

The fourth proportional to 2,111.49, 3,167.24 and 1,648.58 is: 2,472.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111.49 : 3,167.24 = 1,648.58 : x
  2. Step 2: Convert to fraction form
    2,111.49/3,167.24 = 1,648.58/x
  3. Step 3: Cross multiply
    2,111.49x = 3,167.24 × 1,648.58
  4. Step 4: Simplify right side
    2,111.49x = 5,221,424.44
  5. Step 5: Solve for x
    x = 5,221,424.44/2,111.49
  6. Step 6: Final answer
    x = 2,472.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.