Home / 2,938.68-4,408.84-2,616.30

Finding the Fourth Proportional to 2,938.68, 4,408.84 and 2,616.30

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Solution

The fourth proportional to 2,938.68, 4,408.84 and 2,616.30 is: 3,925.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.68 : 4,408.84 = 2,616.30 : x
  2. Step 2: Convert to fraction form
    2,938.68/4,408.84 = 2,616.30/x
  3. Step 3: Cross multiply
    2,938.68x = 4,408.84 × 2,616.30
  4. Step 4: Simplify right side
    2,938.68x = 11,534,848.09
  5. Step 5: Solve for x
    x = 11,534,848.09/2,938.68
  6. Step 6: Final answer
    x = 3,925.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.