Home / 2,342.45-3,231.57-1,544.76

Finding the Fourth Proportional to 2,342.45, 3,231.57 and 1,544.76

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Solution

The fourth proportional to 2,342.45, 3,231.57 and 1,544.76 is: 2,131.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.45 : 3,231.57 = 1,544.76 : x
  2. Step 2: Convert to fraction form
    2,342.45/3,231.57 = 1,544.76/x
  3. Step 3: Cross multiply
    2,342.45x = 3,231.57 × 1,544.76
  4. Step 4: Simplify right side
    2,342.45x = 4,992,000.07
  5. Step 5: Solve for x
    x = 4,992,000.07/2,342.45
  6. Step 6: Final answer
    x = 2,131.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.