Home / 3,418.12-4,717.14-2,238.28

Finding the Fourth Proportional to 3,418.12, 4,717.14 and 2,238.28

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Solution

The fourth proportional to 3,418.12, 4,717.14 and 2,238.28 is: 3,088.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.12 : 4,717.14 = 2,238.28 : x
  2. Step 2: Convert to fraction form
    3,418.12/4,717.14 = 2,238.28/x
  3. Step 3: Cross multiply
    3,418.12x = 4,717.14 × 2,238.28
  4. Step 4: Simplify right side
    3,418.12x = 10,558,280.12
  5. Step 5: Solve for x
    x = 10,558,280.12/3,418.12
  6. Step 6: Final answer
    x = 3,088.91

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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.