Home / 3,988.17-5,993.60-2,698.65

Finding the Fourth Proportional to 3,988.17, 5,993.60 and 2,698.65

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Solution

The fourth proportional to 3,988.17, 5,993.60 and 2,698.65 is: 4,055.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.17 : 5,993.60 = 2,698.65 : x
  2. Step 2: Convert to fraction form
    3,988.17/5,993.60 = 2,698.65/x
  3. Step 3: Cross multiply
    3,988.17x = 5,993.60 × 2,698.65
  4. Step 4: Simplify right side
    3,988.17x = 16,174,615.15
  5. Step 5: Solve for x
    x = 16,174,615.15/3,988.17
  6. Step 6: Final answer
    x = 4,055.65

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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.