Home / 2,921.49-4,360.41-2,588.85

Finding the Fourth Proportional to 2,921.49, 4,360.41 and 2,588.85

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Solution

The fourth proportional to 2,921.49, 4,360.41 and 2,588.85 is: 3,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.49 : 4,360.41 = 2,588.85 : x
  2. Step 2: Convert to fraction form
    2,921.49/4,360.41 = 2,588.85/x
  3. Step 3: Cross multiply
    2,921.49x = 4,360.41 × 2,588.85
  4. Step 4: Simplify right side
    2,921.49x = 11,288,447.43
  5. Step 5: Solve for x
    x = 11,288,447.43/2,921.49
  6. Step 6: Final answer
    x = 3,863.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.