Home / 2,603.20-3,593.90-1,721.56

Finding the Fourth Proportional to 2,603.20, 3,593.90 and 1,721.56

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Solution

The fourth proportional to 2,603.20, 3,593.90 and 1,721.56 is: 2,376.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603.20 : 3,593.90 = 1,721.56 : x
  2. Step 2: Convert to fraction form
    2,603.20/3,593.90 = 1,721.56/x
  3. Step 3: Cross multiply
    2,603.20x = 3,593.90 × 1,721.56
  4. Step 4: Simplify right side
    2,603.20x = 6,187,114.48
  5. Step 5: Solve for x
    x = 6,187,114.48/2,603.20
  6. Step 6: Final answer
    x = 2,376.73

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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.