Home / 3,055.72-4,217.16-1,860.56

Finding the Fourth Proportional to 3,055.72, 4,217.16 and 1,860.56

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Solution

The fourth proportional to 3,055.72, 4,217.16 and 1,860.56 is: 2,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.72 : 4,217.16 = 1,860.56 : x
  2. Step 2: Convert to fraction form
    3,055.72/4,217.16 = 1,860.56/x
  3. Step 3: Cross multiply
    3,055.72x = 4,217.16 × 1,860.56
  4. Step 4: Simplify right side
    3,055.72x = 7,846,279.21
  5. Step 5: Solve for x
    x = 7,846,279.21/3,055.72
  6. Step 6: Final answer
    x = 2,567.74

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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.