Home / 2,864.78-4,293.30-1,823.12

Finding the Fourth Proportional to 2,864.78, 4,293.30 and 1,823.12

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Solution

The fourth proportional to 2,864.78, 4,293.30 and 1,823.12 is: 2,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.78 : 4,293.30 = 1,823.12 : x
  2. Step 2: Convert to fraction form
    2,864.78/4,293.30 = 1,823.12/x
  3. Step 3: Cross multiply
    2,864.78x = 4,293.30 × 1,823.12
  4. Step 4: Simplify right side
    2,864.78x = 7,827,201.10
  5. Step 5: Solve for x
    x = 7,827,201.10/2,864.78
  6. Step 6: Final answer
    x = 2,732.22

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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.