Home / 3,390.26-4,670.46-2,788.83

Finding the Fourth Proportional to 3,390.26, 4,670.46 and 2,788.83

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Solution

The fourth proportional to 3,390.26, 4,670.46 and 2,788.83 is: 3,841.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.26 : 4,670.46 = 2,788.83 : x
  2. Step 2: Convert to fraction form
    3,390.26/4,670.46 = 2,788.83/x
  3. Step 3: Cross multiply
    3,390.26x = 4,670.46 × 2,788.83
  4. Step 4: Simplify right side
    3,390.26x = 13,025,118.96
  5. Step 5: Solve for x
    x = 13,025,118.96/3,390.26
  6. Step 6: Final answer
    x = 3,841.93

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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.