Home / 3,974.15-5,486.80-2,558.37

Finding the Fourth Proportional to 3,974.15, 5,486.80 and 2,558.37

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Solution

The fourth proportional to 3,974.15, 5,486.80 and 2,558.37 is: 3,532.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.15 : 5,486.80 = 2,558.37 : x
  2. Step 2: Convert to fraction form
    3,974.15/5,486.80 = 2,558.37/x
  3. Step 3: Cross multiply
    3,974.15x = 5,486.80 × 2,558.37
  4. Step 4: Simplify right side
    3,974.15x = 14,037,264.52
  5. Step 5: Solve for x
    x = 14,037,264.52/3,974.15
  6. Step 6: Final answer
    x = 3,532.14

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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.