Home / 1,441.70-2,162.51-401.66

Finding the Fourth Proportional to 1,441.70, 2,162.51 and 401.66

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Solution

The fourth proportional to 1,441.70, 2,162.51 and 401.66 is: 602.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441.70 : 2,162.51 = 401.66 : x
  2. Step 2: Convert to fraction form
    1,441.70/2,162.51 = 401.66/x
  3. Step 3: Cross multiply
    1,441.70x = 2,162.51 × 401.66
  4. Step 4: Simplify right side
    1,441.70x = 868,583.35
  5. Step 5: Solve for x
    x = 868,583.35/1,441.70
  6. Step 6: Final answer
    x = 602.47

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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.