Home / 2,864.71-4,289.77-2,624.14

Finding the Fourth Proportional to 2,864.71, 4,289.77 and 2,624.14

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Solution

The fourth proportional to 2,864.71, 4,289.77 and 2,624.14 is: 3,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,864.71 : 4,289.77 = 2,624.14 : x
  2. Step 2: Convert to fraction form
    2,864.71/4,289.77 = 2,624.14/x
  3. Step 3: Cross multiply
    2,864.71x = 4,289.77 × 2,624.14
  4. Step 4: Simplify right side
    2,864.71x = 11,256,939.76
  5. Step 5: Solve for x
    x = 11,256,939.76/2,864.71
  6. Step 6: Final answer
    x = 3,929.53

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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.