Home / 3,440.37-4,747.82-1,948.25

Finding the Fourth Proportional to 3,440.37, 4,747.82 and 1,948.25

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Solution

The fourth proportional to 3,440.37, 4,747.82 and 1,948.25 is: 2,688.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.37 : 4,747.82 = 1,948.25 : x
  2. Step 2: Convert to fraction form
    3,440.37/4,747.82 = 1,948.25/x
  3. Step 3: Cross multiply
    3,440.37x = 4,747.82 × 1,948.25
  4. Step 4: Simplify right side
    3,440.37x = 9,249,930.57
  5. Step 5: Solve for x
    x = 9,249,930.57/3,440.37
  6. Step 6: Final answer
    x = 2,688.65

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1.5x scale

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.