Home / 3,218.36-4,439.34-2,335.16

Finding the Fourth Proportional to 3,218.36, 4,439.34 and 2,335.16

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Solution

The fourth proportional to 3,218.36, 4,439.34 and 2,335.16 is: 3,221.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.36 : 4,439.34 = 2,335.16 : x
  2. Step 2: Convert to fraction form
    3,218.36/4,439.34 = 2,335.16/x
  3. Step 3: Cross multiply
    3,218.36x = 4,439.34 × 2,335.16
  4. Step 4: Simplify right side
    3,218.36x = 10,366,569.19
  5. Step 5: Solve for x
    x = 10,366,569.19/3,218.36
  6. Step 6: Final answer
    x = 3,221.07

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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.