Home / 3,217.42-4,826.85-1,370.11

Finding the Fourth Proportional to 3,217.42, 4,826.85 and 1,370.11

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Solution

The fourth proportional to 3,217.42, 4,826.85 and 1,370.11 is: 2,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.42 : 4,826.85 = 1,370.11 : x
  2. Step 2: Convert to fraction form
    3,217.42/4,826.85 = 1,370.11/x
  3. Step 3: Cross multiply
    3,217.42x = 4,826.85 × 1,370.11
  4. Step 4: Simplify right side
    3,217.42x = 6,613,315.45
  5. Step 5: Solve for x
    x = 6,613,315.45/3,217.42
  6. Step 6: Final answer
    x = 2,055.47

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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.