Home / 2,317.23-3,197.78-1,269.29

Finding the Fourth Proportional to 2,317.23, 3,197.78 and 1,269.29

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Solution

The fourth proportional to 2,317.23, 3,197.78 and 1,269.29 is: 1,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.23 : 3,197.78 = 1,269.29 : x
  2. Step 2: Convert to fraction form
    2,317.23/3,197.78 = 1,269.29/x
  3. Step 3: Cross multiply
    2,317.23x = 3,197.78 × 1,269.29
  4. Step 4: Simplify right side
    2,317.23x = 4,058,887.84
  5. Step 5: Solve for x
    x = 4,058,887.84/2,317.23
  6. Step 6: Final answer
    x = 1,751.61

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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.