Home / 2,261.86-3,370.57-2,187.53

Finding the Fourth Proportional to 2,261.86, 3,370.57 and 2,187.53

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Solution

The fourth proportional to 2,261.86, 3,370.57 and 2,187.53 is: 3,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.86 : 3,370.57 = 2,187.53 : x
  2. Step 2: Convert to fraction form
    2,261.86/3,370.57 = 2,187.53/x
  3. Step 3: Cross multiply
    2,261.86x = 3,370.57 × 2,187.53
  4. Step 4: Simplify right side
    2,261.86x = 7,373,222.99
  5. Step 5: Solve for x
    x = 7,373,222.99/2,261.86
  6. Step 6: Final answer
    x = 3,259.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.