Home / 2,269.14-3,131.29-1,522.99

Finding the Fourth Proportional to 2,269.14, 3,131.29 and 1,522.99

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Solution

The fourth proportional to 2,269.14, 3,131.29 and 1,522.99 is: 2,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.14 : 3,131.29 = 1,522.99 : x
  2. Step 2: Convert to fraction form
    2,269.14/3,131.29 = 1,522.99/x
  3. Step 3: Cross multiply
    2,269.14x = 3,131.29 × 1,522.99
  4. Step 4: Simplify right side
    2,269.14x = 4,768,929.17
  5. Step 5: Solve for x
    x = 4,768,929.17/2,269.14
  6. Step 6: Final answer
    x = 2,101.65

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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.