Home / 3,253.60-4,876.80-1,404.40

Finding the Fourth Proportional to 3,253.60, 4,876.80 and 1,404.40

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Solution

The fourth proportional to 3,253.60, 4,876.80 and 1,404.40 is: 2,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253.60 : 4,876.80 = 1,404.40 : x
  2. Step 2: Convert to fraction form
    3,253.60/4,876.80 = 1,404.40/x
  3. Step 3: Cross multiply
    3,253.60x = 4,876.80 × 1,404.40
  4. Step 4: Simplify right side
    3,253.60x = 6,848,977.92
  5. Step 5: Solve for x
    x = 6,848,977.92/3,253.60
  6. Step 6: Final answer
    x = 2,105.05

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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.