Home / 3,350.40-4,623.82-1,858.78

Finding the Fourth Proportional to 3,350.40, 4,623.82 and 1,858.78

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Solution

The fourth proportional to 3,350.40, 4,623.82 and 1,858.78 is: 2,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,350.40 : 4,623.82 = 1,858.78 : x
  2. Step 2: Convert to fraction form
    3,350.40/4,623.82 = 1,858.78/x
  3. Step 3: Cross multiply
    3,350.40x = 4,623.82 × 1,858.78
  4. Step 4: Simplify right side
    3,350.40x = 8,594,664.14
  5. Step 5: Solve for x
    x = 8,594,664.14/3,350.40
  6. Step 6: Final answer
    x = 2,565.27

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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.