Home / 3,118.57-4,673.81-1,267.53

Finding the Fourth Proportional to 3,118.57, 4,673.81 and 1,267.53

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Solution

The fourth proportional to 3,118.57, 4,673.81 and 1,267.53 is: 1,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.57 : 4,673.81 = 1,267.53 : x
  2. Step 2: Convert to fraction form
    3,118.57/4,673.81 = 1,267.53/x
  3. Step 3: Cross multiply
    3,118.57x = 4,673.81 × 1,267.53
  4. Step 4: Simplify right side
    3,118.57x = 5,924,188.05
  5. Step 5: Solve for x
    x = 5,924,188.05/3,118.57
  6. Step 6: Final answer
    x = 1,899.65

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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.