Home / 3,438.48-4,740.52-2,732.68

Finding the Fourth Proportional to 3,438.48, 4,740.52 and 2,732.68

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Solution

The fourth proportional to 3,438.48, 4,740.52 and 2,732.68 is: 3,767.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.48 : 4,740.52 = 2,732.68 : x
  2. Step 2: Convert to fraction form
    3,438.48/4,740.52 = 2,732.68/x
  3. Step 3: Cross multiply
    3,438.48x = 4,740.52 × 2,732.68
  4. Step 4: Simplify right side
    3,438.48x = 12,954,324.19
  5. Step 5: Solve for x
    x = 12,954,324.19/3,438.48
  6. Step 6: Final answer
    x = 3,767.46

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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.