Home / 3,118.32-4,671.32-2,339.21

Finding the Fourth Proportional to 3,118.32, 4,671.32 and 2,339.21

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Solution

The fourth proportional to 3,118.32, 4,671.32 and 2,339.21 is: 3,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.32 : 4,671.32 = 2,339.21 : x
  2. Step 2: Convert to fraction form
    3,118.32/4,671.32 = 2,339.21/x
  3. Step 3: Cross multiply
    3,118.32x = 4,671.32 × 2,339.21
  4. Step 4: Simplify right side
    3,118.32x = 10,927,163.40
  5. Step 5: Solve for x
    x = 10,927,163.40/3,118.32
  6. Step 6: Final answer
    x = 3,504.18

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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.