Home / 2,317.13-3,197.69-1,269.20

Finding the Fourth Proportional to 2,317.13, 3,197.69 and 1,269.20

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Solution

The fourth proportional to 2,317.13, 3,197.69 and 1,269.20 is: 1,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.13 : 3,197.69 = 1,269.20 : x
  2. Step 2: Convert to fraction form
    2,317.13/3,197.69 = 1,269.20/x
  3. Step 3: Cross multiply
    2,317.13x = 3,197.69 × 1,269.20
  4. Step 4: Simplify right side
    2,317.13x = 4,058,485.81
  5. Step 5: Solve for x
    x = 4,058,485.81/2,317.13
  6. Step 6: Final answer
    x = 1,751.52

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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.