Home / 2,864.76-4,288.64-1,562.28

Finding the Fourth Proportional to 2,864.76, 4,288.64 and 1,562.28

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Solution

The fourth proportional to 2,864.76, 4,288.64 and 1,562.28 is: 2,338.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.76 : 4,288.64 = 1,562.28 : x
  2. Step 2: Convert to fraction form
    2,864.76/4,288.64 = 1,562.28/x
  3. Step 3: Cross multiply
    2,864.76x = 4,288.64 × 1,562.28
  4. Step 4: Simplify right side
    2,864.76x = 6,700,048.69
  5. Step 5: Solve for x
    x = 6,700,048.69/2,864.76
  6. Step 6: Final answer
    x = 2,338.78

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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.