Home / 3,200.45-4,791.32-2,585.35

Finding the Fourth Proportional to 3,200.45, 4,791.32 and 2,585.35

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Solution

The fourth proportional to 3,200.45, 4,791.32 and 2,585.35 is: 3,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.45 : 4,791.32 = 2,585.35 : x
  2. Step 2: Convert to fraction form
    3,200.45/4,791.32 = 2,585.35/x
  3. Step 3: Cross multiply
    3,200.45x = 4,791.32 × 2,585.35
  4. Step 4: Simplify right side
    3,200.45x = 12,387,233.65
  5. Step 5: Solve for x
    x = 12,387,233.65/3,200.45
  6. Step 6: Final answer
    x = 3,870.47

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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.