Home / 3,141.37-4,335.69-2,079.16

Finding the Fourth Proportional to 3,141.37, 4,335.69 and 2,079.16

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Solution

The fourth proportional to 3,141.37, 4,335.69 and 2,079.16 is: 2,869.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.37 : 4,335.69 = 2,079.16 : x
  2. Step 2: Convert to fraction form
    3,141.37/4,335.69 = 2,079.16/x
  3. Step 3: Cross multiply
    3,141.37x = 4,335.69 × 2,079.16
  4. Step 4: Simplify right side
    3,141.37x = 9,014,593.22
  5. Step 5: Solve for x
    x = 9,014,593.22/3,141.37
  6. Step 6: Final answer
    x = 2,869.64

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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.