Home / 1,900.13-2,845.17-1,528.11

Finding the Fourth Proportional to 1,900.13, 2,845.17 and 1,528.11

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Solution

The fourth proportional to 1,900.13, 2,845.17 and 1,528.11 is: 2,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900.13 : 2,845.17 = 1,528.11 : x
  2. Step 2: Convert to fraction form
    1,900.13/2,845.17 = 1,528.11/x
  3. Step 3: Cross multiply
    1,900.13x = 2,845.17 × 1,528.11
  4. Step 4: Simplify right side
    1,900.13x = 4,347,732.73
  5. Step 5: Solve for x
    x = 4,347,732.73/1,900.13
  6. Step 6: Final answer
    x = 2,288.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.