Home / 3,590.20-5,376.07-2,199.32

Finding the Fourth Proportional to 3,590.20, 5,376.07 and 2,199.32

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Solution

The fourth proportional to 3,590.20, 5,376.07 and 2,199.32 is: 3,293.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590.20 : 5,376.07 = 2,199.32 : x
  2. Step 2: Convert to fraction form
    3,590.20/5,376.07 = 2,199.32/x
  3. Step 3: Cross multiply
    3,590.20x = 5,376.07 × 2,199.32
  4. Step 4: Simplify right side
    3,590.20x = 11,823,681.93
  5. Step 5: Solve for x
    x = 11,823,681.93/3,590.20
  6. Step 6: Final answer
    x = 3,293.32

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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.