Home / 2,688.18-4,033.88-1,044.69

Finding the Fourth Proportional to 2,688.18, 4,033.88 and 1,044.69

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Solution

The fourth proportional to 2,688.18, 4,033.88 and 1,044.69 is: 1,567.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688.18 : 4,033.88 = 1,044.69 : x
  2. Step 2: Convert to fraction form
    2,688.18/4,033.88 = 1,044.69/x
  3. Step 3: Cross multiply
    2,688.18x = 4,033.88 × 1,044.69
  4. Step 4: Simplify right side
    2,688.18x = 4,214,154.10
  5. Step 5: Solve for x
    x = 4,214,154.10/2,688.18
  6. Step 6: Final answer
    x = 1,567.66

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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.