Home / 3,438.14-4,746.38-2,180.48

Finding the Fourth Proportional to 3,438.14, 4,746.38 and 2,180.48

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Solution

The fourth proportional to 3,438.14, 4,746.38 and 2,180.48 is: 3,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.14 : 4,746.38 = 2,180.48 : x
  2. Step 2: Convert to fraction form
    3,438.14/4,746.38 = 2,180.48/x
  3. Step 3: Cross multiply
    3,438.14x = 4,746.38 × 2,180.48
  4. Step 4: Simplify right side
    3,438.14x = 10,349,352.03
  5. Step 5: Solve for x
    x = 10,349,352.03/3,438.14
  6. Step 6: Final answer
    x = 3,010.16

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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.