Home / 3,648.84-5,474.04-1,308.96

Finding the Fourth Proportional to 3,648.84, 5,474.04 and 1,308.96

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Solution

The fourth proportional to 3,648.84, 5,474.04 and 1,308.96 is: 1,963.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.84 : 5,474.04 = 1,308.96 : x
  2. Step 2: Convert to fraction form
    3,648.84/5,474.04 = 1,308.96/x
  3. Step 3: Cross multiply
    3,648.84x = 5,474.04 × 1,308.96
  4. Step 4: Simplify right side
    3,648.84x = 7,165,299.40
  5. Step 5: Solve for x
    x = 7,165,299.40/3,648.84
  6. Step 6: Final answer
    x = 1,963.72

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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.