Home / 3,973.68-5,960.16-2,890.80

Finding the Fourth Proportional to 3,973.68, 5,960.16 and 2,890.80

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Solution

The fourth proportional to 3,973.68, 5,960.16 and 2,890.80 is: 4,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.68 : 5,960.16 = 2,890.80 : x
  2. Step 2: Convert to fraction form
    3,973.68/5,960.16 = 2,890.80/x
  3. Step 3: Cross multiply
    3,973.68x = 5,960.16 × 2,890.80
  4. Step 4: Simplify right side
    3,973.68x = 17,229,630.53
  5. Step 5: Solve for x
    x = 17,229,630.53/3,973.68
  6. Step 6: Final answer
    x = 4,335.94

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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.