Home / 3,258.48-4,885.68-1,408.59

Finding the Fourth Proportional to 3,258.48, 4,885.68 and 1,408.59

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Solution

The fourth proportional to 3,258.48, 4,885.68 and 1,408.59 is: 2,112.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.48 : 4,885.68 = 1,408.59 : x
  2. Step 2: Convert to fraction form
    3,258.48/4,885.68 = 1,408.59/x
  3. Step 3: Cross multiply
    3,258.48x = 4,885.68 × 1,408.59
  4. Step 4: Simplify right side
    3,258.48x = 6,881,919.99
  5. Step 5: Solve for x
    x = 6,881,919.99/3,258.48
  6. Step 6: Final answer
    x = 2,112.00

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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.