Home / 2,579.09-3,557.85-1,738.73

Finding the Fourth Proportional to 2,579.09, 3,557.85 and 1,738.73

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Solution

The fourth proportional to 2,579.09, 3,557.85 and 1,738.73 is: 2,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,579.09 : 3,557.85 = 1,738.73 : x
  2. Step 2: Convert to fraction form
    2,579.09/3,557.85 = 1,738.73/x
  3. Step 3: Cross multiply
    2,579.09x = 3,557.85 × 1,738.73
  4. Step 4: Simplify right side
    2,579.09x = 6,186,140.53
  5. Step 5: Solve for x
    x = 6,186,140.53/2,579.09
  6. Step 6: Final answer
    x = 2,398.57

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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.