Home / 3,245.65-4,479.41-2,127.53

Finding the Fourth Proportional to 3,245.65, 4,479.41 and 2,127.53

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Solution

The fourth proportional to 3,245.65, 4,479.41 and 2,127.53 is: 2,936.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.65 : 4,479.41 = 2,127.53 : x
  2. Step 2: Convert to fraction form
    3,245.65/4,479.41 = 2,127.53/x
  3. Step 3: Cross multiply
    3,245.65x = 4,479.41 × 2,127.53
  4. Step 4: Simplify right side
    3,245.65x = 9,530,079.16
  5. Step 5: Solve for x
    x = 9,530,079.16/3,245.65
  6. Step 6: Final answer
    x = 2,936.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.