Home / 2,756.53-4,135.65-1,114.48

Finding the Fourth Proportional to 2,756.53, 4,135.65 and 1,114.48

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Solution

The fourth proportional to 2,756.53, 4,135.65 and 1,114.48 is: 1,672.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.53 : 4,135.65 = 1,114.48 : x
  2. Step 2: Convert to fraction form
    2,756.53/4,135.65 = 1,114.48/x
  3. Step 3: Cross multiply
    2,756.53x = 4,135.65 × 1,114.48
  4. Step 4: Simplify right side
    2,756.53x = 4,609,099.21
  5. Step 5: Solve for x
    x = 4,609,099.21/2,756.53
  6. Step 6: Final answer
    x = 1,672.07

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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.