Home / 3,445.69-4,755.05-1,873.78

Finding the Fourth Proportional to 3,445.69, 4,755.05 and 1,873.78

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Solution

The fourth proportional to 3,445.69, 4,755.05 and 1,873.78 is: 2,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.69 : 4,755.05 = 1,873.78 : x
  2. Step 2: Convert to fraction form
    3,445.69/4,755.05 = 1,873.78/x
  3. Step 3: Cross multiply
    3,445.69x = 4,755.05 × 1,873.78
  4. Step 4: Simplify right side
    3,445.69x = 8,909,884.44
  5. Step 5: Solve for x
    x = 8,909,884.44/3,445.69
  6. Step 6: Final answer
    x = 2,585.81

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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.