Home / 2,688.64-4,033.98-1,519.96

Finding the Fourth Proportional to 2,688.64, 4,033.98 and 1,519.96

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Solution

The fourth proportional to 2,688.64, 4,033.98 and 1,519.96 is: 2,280.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.64 : 4,033.98 = 1,519.96 : x
  2. Step 2: Convert to fraction form
    2,688.64/4,033.98 = 1,519.96/x
  3. Step 3: Cross multiply
    2,688.64x = 4,033.98 × 1,519.96
  4. Step 4: Simplify right side
    2,688.64x = 6,131,488.24
  5. Step 5: Solve for x
    x = 6,131,488.24/2,688.64
  6. Step 6: Final answer
    x = 2,280.52

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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.