Home / 2,860.56-4,291.20-1,217.34

Finding the Fourth Proportional to 2,860.56, 4,291.20 and 1,217.34

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Solution

The fourth proportional to 2,860.56, 4,291.20 and 1,217.34 is: 1,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.56 : 4,291.20 = 1,217.34 : x
  2. Step 2: Convert to fraction form
    2,860.56/4,291.20 = 1,217.34/x
  3. Step 3: Cross multiply
    2,860.56x = 4,291.20 × 1,217.34
  4. Step 4: Simplify right side
    2,860.56x = 5,223,849.41
  5. Step 5: Solve for x
    x = 5,223,849.41/2,860.56
  6. Step 6: Final answer
    x = 1,826.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.