Home / 3,148.20-4,718.25-1,300.61

Finding the Fourth Proportional to 3,148.20, 4,718.25 and 1,300.61

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Solution

The fourth proportional to 3,148.20, 4,718.25 and 1,300.61 is: 1,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148.20 : 4,718.25 = 1,300.61 : x
  2. Step 2: Convert to fraction form
    3,148.20/4,718.25 = 1,300.61/x
  3. Step 3: Cross multiply
    3,148.20x = 4,718.25 × 1,300.61
  4. Step 4: Simplify right side
    3,148.20x = 6,136,603.13
  5. Step 5: Solve for x
    x = 6,136,603.13/3,148.20
  6. Step 6: Final answer
    x = 1,949.24

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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.