Home / 3,197.31-4,774.38-2,613.45

Finding the Fourth Proportional to 3,197.31, 4,774.38 and 2,613.45

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Solution

The fourth proportional to 3,197.31, 4,774.38 and 2,613.45 is: 3,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.31 : 4,774.38 = 2,613.45 : x
  2. Step 2: Convert to fraction form
    3,197.31/4,774.38 = 2,613.45/x
  3. Step 3: Cross multiply
    3,197.31x = 4,774.38 × 2,613.45
  4. Step 4: Simplify right side
    3,197.31x = 12,477,606.71
  5. Step 5: Solve for x
    x = 12,477,606.71/3,197.31
  6. Step 6: Final answer
    x = 3,902.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.