Home / 2,423.64-3,631.68-1,936.56

Finding the Fourth Proportional to 2,423.64, 3,631.68 and 1,936.56

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Solution

The fourth proportional to 2,423.64, 3,631.68 and 1,936.56 is: 2,901.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.64 : 3,631.68 = 1,936.56 : x
  2. Step 2: Convert to fraction form
    2,423.64/3,631.68 = 1,936.56/x
  3. Step 3: Cross multiply
    2,423.64x = 3,631.68 × 1,936.56
  4. Step 4: Simplify right side
    2,423.64x = 7,032,966.22
  5. Step 5: Solve for x
    x = 7,032,966.22/2,423.64
  6. Step 6: Final answer
    x = 2,901.82

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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.