Home / 3,650.30-5,475.45-1,801.70

Finding the Fourth Proportional to 3,650.30, 5,475.45 and 1,801.70

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Solution

The fourth proportional to 3,650.30, 5,475.45 and 1,801.70 is: 2,702.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.30 : 5,475.45 = 1,801.70 : x
  2. Step 2: Convert to fraction form
    3,650.30/5,475.45 = 1,801.70/x
  3. Step 3: Cross multiply
    3,650.30x = 5,475.45 × 1,801.70
  4. Step 4: Simplify right side
    3,650.30x = 9,865,118.27
  5. Step 5: Solve for x
    x = 9,865,118.27/3,650.30
  6. Step 6: Final answer
    x = 2,702.55

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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.