Home / 4,019.86-5,548.05-2,447.68

Finding the Fourth Proportional to 4,019.86, 5,548.05 and 2,447.68

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Solution

The fourth proportional to 4,019.86, 5,548.05 and 2,447.68 is: 3,378.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.86 : 5,548.05 = 2,447.68 : x
  2. Step 2: Convert to fraction form
    4,019.86/5,548.05 = 2,447.68/x
  3. Step 3: Cross multiply
    4,019.86x = 5,548.05 × 2,447.68
  4. Step 4: Simplify right side
    4,019.86x = 13,579,851.02
  5. Step 5: Solve for x
    x = 13,579,851.02/4,019.86
  6. Step 6: Final answer
    x = 3,378.19

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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.