Home / 2,625.90-3,624.47-1,550.12

Finding the Fourth Proportional to 2,625.90, 3,624.47 and 1,550.12

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Solution

The fourth proportional to 2,625.90, 3,624.47 and 1,550.12 is: 2,139.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.90 : 3,624.47 = 1,550.12 : x
  2. Step 2: Convert to fraction form
    2,625.90/3,624.47 = 1,550.12/x
  3. Step 3: Cross multiply
    2,625.90x = 3,624.47 × 1,550.12
  4. Step 4: Simplify right side
    2,625.90x = 5,618,337.56
  5. Step 5: Solve for x
    x = 5,618,337.56/2,625.90
  6. Step 6: Final answer
    x = 2,139.59

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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.