Home / 3,061.91-4,225.42-1,664.66

Finding the Fourth Proportional to 3,061.91, 4,225.42 and 1,664.66

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Solution

The fourth proportional to 3,061.91, 4,225.42 and 1,664.66 is: 2,297.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.91 : 4,225.42 = 1,664.66 : x
  2. Step 2: Convert to fraction form
    3,061.91/4,225.42 = 1,664.66/x
  3. Step 3: Cross multiply
    3,061.91x = 4,225.42 × 1,664.66
  4. Step 4: Simplify right side
    3,061.91x = 7,033,887.66
  5. Step 5: Solve for x
    x = 7,033,887.66/3,061.91
  6. Step 6: Final answer
    x = 2,297.22

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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.