Home / 3,995.20-6,002.72-2,590.51

Finding the Fourth Proportional to 3,995.20, 6,002.72 and 2,590.51

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Solution

The fourth proportional to 3,995.20, 6,002.72 and 2,590.51 is: 3,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.20 : 6,002.72 = 2,590.51 : x
  2. Step 2: Convert to fraction form
    3,995.20/6,002.72 = 2,590.51/x
  3. Step 3: Cross multiply
    3,995.20x = 6,002.72 × 2,590.51
  4. Step 4: Simplify right side
    3,995.20x = 15,550,115.75
  5. Step 5: Solve for x
    x = 15,550,115.75/3,995.20
  6. Step 6: Final answer
    x = 3,892.19

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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.