Home / 2,756.75-4,125.53-2,257.39

Finding the Fourth Proportional to 2,756.75, 4,125.53 and 2,257.39

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Solution

The fourth proportional to 2,756.75, 4,125.53 and 2,257.39 is: 3,378.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,756.75 : 4,125.53 = 2,257.39 : x
  2. Step 2: Convert to fraction form
    2,756.75/4,125.53 = 2,257.39/x
  3. Step 3: Cross multiply
    2,756.75x = 4,125.53 × 2,257.39
  4. Step 4: Simplify right side
    2,756.75x = 9,312,925.50
  5. Step 5: Solve for x
    x = 9,312,925.50/2,756.75
  6. Step 6: Final answer
    x = 3,378.22

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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.