Home / 3,783.31-5,212.45-2,837.63

Finding the Fourth Proportional to 3,783.31, 5,212.45 and 2,837.63

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Solution

The fourth proportional to 3,783.31, 5,212.45 and 2,837.63 is: 3,909.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.31 : 5,212.45 = 2,837.63 : x
  2. Step 2: Convert to fraction form
    3,783.31/5,212.45 = 2,837.63/x
  3. Step 3: Cross multiply
    3,783.31x = 5,212.45 × 2,837.63
  4. Step 4: Simplify right side
    3,783.31x = 14,791,021.07
  5. Step 5: Solve for x
    x = 14,791,021.07/3,783.31
  6. Step 6: Final answer
    x = 3,909.55

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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.