Home / 1,901.19-2,849.94-926.76

Finding the Fourth Proportional to 1,901.19, 2,849.94 and 926.76

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Solution

The fourth proportional to 1,901.19, 2,849.94 and 926.76 is: 1,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,901.19 : 2,849.94 = 926.76 : x
  2. Step 2: Convert to fraction form
    1,901.19/2,849.94 = 926.76/x
  3. Step 3: Cross multiply
    1,901.19x = 2,849.94 × 926.76
  4. Step 4: Simplify right side
    1,901.19x = 2,641,210.39
  5. Step 5: Solve for x
    x = 2,641,210.39/1,901.19
  6. Step 6: Final answer
    x = 1,389.24

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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.