Home / 3,439.12-4,746.06-2,112.06

Finding the Fourth Proportional to 3,439.12, 4,746.06 and 2,112.06

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Solution

The fourth proportional to 3,439.12, 4,746.06 and 2,112.06 is: 2,914.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.12 : 4,746.06 = 2,112.06 : x
  2. Step 2: Convert to fraction form
    3,439.12/4,746.06 = 2,112.06/x
  3. Step 3: Cross multiply
    3,439.12x = 4,746.06 × 2,112.06
  4. Step 4: Simplify right side
    3,439.12x = 10,023,963.48
  5. Step 5: Solve for x
    x = 10,023,963.48/3,439.12
  6. Step 6: Final answer
    x = 2,914.69

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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.