Home / 2,864.49-4,299.51-1,384.76

Finding the Fourth Proportional to 2,864.49, 4,299.51 and 1,384.76

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Solution

The fourth proportional to 2,864.49, 4,299.51 and 1,384.76 is: 2,078.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.49 : 4,299.51 = 1,384.76 : x
  2. Step 2: Convert to fraction form
    2,864.49/4,299.51 = 1,384.76/x
  3. Step 3: Cross multiply
    2,864.49x = 4,299.51 × 1,384.76
  4. Step 4: Simplify right side
    2,864.49x = 5,953,767.97
  5. Step 5: Solve for x
    x = 5,953,767.97/2,864.49
  6. Step 6: Final answer
    x = 2,078.47

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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.