Home / 2,938.40-4,405.12-1,550.84

Finding the Fourth Proportional to 2,938.40, 4,405.12 and 1,550.84

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Solution

The fourth proportional to 2,938.40, 4,405.12 and 1,550.84 is: 2,324.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.40 : 4,405.12 = 1,550.84 : x
  2. Step 2: Convert to fraction form
    2,938.40/4,405.12 = 1,550.84/x
  3. Step 3: Cross multiply
    2,938.40x = 4,405.12 × 1,550.84
  4. Step 4: Simplify right side
    2,938.40x = 6,831,636.30
  5. Step 5: Solve for x
    x = 6,831,636.30/2,938.40
  6. Step 6: Final answer
    x = 2,324.95

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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.