Home / 3,358.86-4,634.91-3,111.18

Finding the Fourth Proportional to 3,358.86, 4,634.91 and 3,111.18

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Solution

The fourth proportional to 3,358.86, 4,634.91 and 3,111.18 is: 4,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.86 : 4,634.91 = 3,111.18 : x
  2. Step 2: Convert to fraction form
    3,358.86/4,634.91 = 3,111.18/x
  3. Step 3: Cross multiply
    3,358.86x = 4,634.91 × 3,111.18
  4. Step 4: Simplify right side
    3,358.86x = 14,420,039.29
  5. Step 5: Solve for x
    x = 14,420,039.29/3,358.86
  6. Step 6: Final answer
    x = 4,293.13

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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.