Home / 2,296.76-3,428.48-2,125.44

Finding the Fourth Proportional to 2,296.76, 3,428.48 and 2,125.44

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Solution

The fourth proportional to 2,296.76, 3,428.48 and 2,125.44 is: 3,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.76 : 3,428.48 = 2,125.44 : x
  2. Step 2: Convert to fraction form
    2,296.76/3,428.48 = 2,125.44/x
  3. Step 3: Cross multiply
    2,296.76x = 3,428.48 × 2,125.44
  4. Step 4: Simplify right side
    2,296.76x = 7,287,028.53
  5. Step 5: Solve for x
    x = 7,287,028.53/2,296.76
  6. Step 6: Final answer
    x = 3,172.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.