Home / 1,722.75-2,376.52-1,092.21

Finding the Fourth Proportional to 1,722.75, 2,376.52 and 1,092.21

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Solution

The fourth proportional to 1,722.75, 2,376.52 and 1,092.21 is: 1,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.75 : 2,376.52 = 1,092.21 : x
  2. Step 2: Convert to fraction form
    1,722.75/2,376.52 = 1,092.21/x
  3. Step 3: Cross multiply
    1,722.75x = 2,376.52 × 1,092.21
  4. Step 4: Simplify right side
    1,722.75x = 2,595,658.91
  5. Step 5: Solve for x
    x = 2,595,658.91/1,722.75
  6. Step 6: Final answer
    x = 1,506.70

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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.