Home / 2,317.40-3,198.02-1,269.46

Finding the Fourth Proportional to 2,317.40, 3,198.02 and 1,269.46

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Solution

The fourth proportional to 2,317.40, 3,198.02 and 1,269.46 is: 1,751.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,317.40 : 3,198.02 = 1,269.46 : x
  2. Step 2: Convert to fraction form
    2,317.40/3,198.02 = 1,269.46/x
  3. Step 3: Cross multiply
    2,317.40x = 3,198.02 × 1,269.46
  4. Step 4: Simplify right side
    2,317.40x = 4,059,758.47
  5. Step 5: Solve for x
    x = 4,059,758.47/2,317.40
  6. Step 6: Final answer
    x = 1,751.86

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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.