Home / 2,317.39-3,197.87-1,269.43

Finding the Fourth Proportional to 2,317.39, 3,197.87 and 1,269.43

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Solution

The fourth proportional to 2,317.39, 3,197.87 and 1,269.43 is: 1,751.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.39 : 3,197.87 = 1,269.43 : x
  2. Step 2: Convert to fraction form
    2,317.39/3,197.87 = 1,269.43/x
  3. Step 3: Cross multiply
    2,317.39x = 3,197.87 × 1,269.43
  4. Step 4: Simplify right side
    2,317.39x = 4,059,459.30
  5. Step 5: Solve for x
    x = 4,059,459.30/2,317.39
  6. Step 6: Final answer
    x = 1,751.74

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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.