Home / 3,073.54-4,240.74-1,747

Finding the Fourth Proportional to 3,073.54, 4,240.74 and 1,747

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Solution

The fourth proportional to 3,073.54, 4,240.74 and 1,747 is: 2,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,073.54 : 4,240.74 = 1,747 : x
  2. Step 2: Convert to fraction form
    3,073.54/4,240.74 = 1,747/x
  3. Step 3: Cross multiply
    3,073.54x = 4,240.74 × 1,747
  4. Step 4: Simplify right side
    3,073.54x = 7,408,572.78
  5. Step 5: Solve for x
    x = 7,408,572.78/3,073.54
  6. Step 6: Final answer
    x = 2,410.44

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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.