Home / 3,358.39-4,634.62-1,866.28

Finding the Fourth Proportional to 3,358.39, 4,634.62 and 1,866.28

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Solution

The fourth proportional to 3,358.39, 4,634.62 and 1,866.28 is: 2,575.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.39 : 4,634.62 = 1,866.28 : x
  2. Step 2: Convert to fraction form
    3,358.39/4,634.62 = 1,866.28/x
  3. Step 3: Cross multiply
    3,358.39x = 4,634.62 × 1,866.28
  4. Step 4: Simplify right side
    3,358.39x = 8,649,470.77
  5. Step 5: Solve for x
    x = 8,649,470.77/3,358.39
  6. Step 6: Final answer
    x = 2,575.49

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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.