Home / 2,801.40-4,197.48-1,702.44

Finding the Fourth Proportional to 2,801.40, 4,197.48 and 1,702.44

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Solution

The fourth proportional to 2,801.40, 4,197.48 and 1,702.44 is: 2,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.40 : 4,197.48 = 1,702.44 : x
  2. Step 2: Convert to fraction form
    2,801.40/4,197.48 = 1,702.44/x
  3. Step 3: Cross multiply
    2,801.40x = 4,197.48 × 1,702.44
  4. Step 4: Simplify right side
    2,801.40x = 7,145,957.85
  5. Step 5: Solve for x
    x = 7,145,957.85/2,801.40
  6. Step 6: Final answer
    x = 2,550.85

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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.