Home / 2,288.36-3,428.49-1,053.18

Finding the Fourth Proportional to 2,288.36, 3,428.49 and 1,053.18

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Solution

The fourth proportional to 2,288.36, 3,428.49 and 1,053.18 is: 1,577.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.36 : 3,428.49 = 1,053.18 : x
  2. Step 2: Convert to fraction form
    2,288.36/3,428.49 = 1,053.18/x
  3. Step 3: Cross multiply
    2,288.36x = 3,428.49 × 1,053.18
  4. Step 4: Simplify right side
    2,288.36x = 3,610,817.10
  5. Step 5: Solve for x
    x = 3,610,817.10/2,288.36
  6. Step 6: Final answer
    x = 1,577.91

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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.