Home / 2,801.39-4,190.74-2,340.09

Finding the Fourth Proportional to 2,801.39, 4,190.74 and 2,340.09

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Solution

The fourth proportional to 2,801.39, 4,190.74 and 2,340.09 is: 3,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,801.39 : 4,190.74 = 2,340.09 : x
  2. Step 2: Convert to fraction form
    2,801.39/4,190.74 = 2,340.09/x
  3. Step 3: Cross multiply
    2,801.39x = 4,190.74 × 2,340.09
  4. Step 4: Simplify right side
    2,801.39x = 9,806,702.92
  5. Step 5: Solve for x
    x = 9,806,702.92/2,801.39
  6. Step 6: Final answer
    x = 3,500.66

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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.