Home / 2,625.19-3,937.73-1,239.17

Finding the Fourth Proportional to 2,625.19, 3,937.73 and 1,239.17

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Solution

The fourth proportional to 2,625.19, 3,937.73 and 1,239.17 is: 1,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625.19 : 3,937.73 = 1,239.17 : x
  2. Step 2: Convert to fraction form
    2,625.19/3,937.73 = 1,239.17/x
  3. Step 3: Cross multiply
    2,625.19x = 3,937.73 × 1,239.17
  4. Step 4: Simplify right side
    2,625.19x = 4,879,520.53
  5. Step 5: Solve for x
    x = 4,879,520.53/2,625.19
  6. Step 6: Final answer
    x = 1,858.73

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1.5x scale

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.