Home / 2,248.99-3,103.98-1,661.23

Finding the Fourth Proportional to 2,248.99, 3,103.98 and 1,661.23

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Solution

The fourth proportional to 2,248.99, 3,103.98 and 1,661.23 is: 2,292.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,248.99 : 3,103.98 = 1,661.23 : x
  2. Step 2: Convert to fraction form
    2,248.99/3,103.98 = 1,661.23/x
  3. Step 3: Cross multiply
    2,248.99x = 3,103.98 × 1,661.23
  4. Step 4: Simplify right side
    2,248.99x = 5,156,424.70
  5. Step 5: Solve for x
    x = 5,156,424.70/2,248.99
  6. Step 6: Final answer
    x = 2,292.77

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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.