Home / 1,624.50-2,243.43-1,161.18

Finding the Fourth Proportional to 1,624.50, 2,243.43 and 1,161.18

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Solution

The fourth proportional to 1,624.50, 2,243.43 and 1,161.18 is: 1,603.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624.50 : 2,243.43 = 1,161.18 : x
  2. Step 2: Convert to fraction form
    1,624.50/2,243.43 = 1,161.18/x
  3. Step 3: Cross multiply
    1,624.50x = 2,243.43 × 1,161.18
  4. Step 4: Simplify right side
    1,624.50x = 2,605,026.05
  5. Step 5: Solve for x
    x = 2,605,026.05/1,624.50
  6. Step 6: Final answer
    x = 1,603.59

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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.