Home / 2,511.69-3,767.51-1,478.87

Finding the Fourth Proportional to 2,511.69, 3,767.51 and 1,478.87

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Solution

The fourth proportional to 2,511.69, 3,767.51 and 1,478.87 is: 2,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.69 : 3,767.51 = 1,478.87 : x
  2. Step 2: Convert to fraction form
    2,511.69/3,767.51 = 1,478.87/x
  3. Step 3: Cross multiply
    2,511.69x = 3,767.51 × 1,478.87
  4. Step 4: Simplify right side
    2,511.69x = 5,571,670.63
  5. Step 5: Solve for x
    x = 5,571,670.63/2,511.69
  6. Step 6: Final answer
    x = 2,218.30

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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.