Home / 2,317.20-3,197.52-1,269.28

Finding the Fourth Proportional to 2,317.20, 3,197.52 and 1,269.28

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Solution

The fourth proportional to 2,317.20, 3,197.52 and 1,269.28 is: 1,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.20 : 3,197.52 = 1,269.28 : x
  2. Step 2: Convert to fraction form
    2,317.20/3,197.52 = 1,269.28/x
  3. Step 3: Cross multiply
    2,317.20x = 3,197.52 × 1,269.28
  4. Step 4: Simplify right side
    2,317.20x = 4,058,548.19
  5. Step 5: Solve for x
    x = 4,058,548.19/2,317.20
  6. Step 6: Final answer
    x = 1,751.49

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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.