Home / 1,977.45-2,728.86-1,093.24

Finding the Fourth Proportional to 1,977.45, 2,728.86 and 1,093.24

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Solution

The fourth proportional to 1,977.45, 2,728.86 and 1,093.24 is: 1,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.45 : 2,728.86 = 1,093.24 : x
  2. Step 2: Convert to fraction form
    1,977.45/2,728.86 = 1,093.24/x
  3. Step 3: Cross multiply
    1,977.45x = 2,728.86 × 1,093.24
  4. Step 4: Simplify right side
    1,977.45x = 2,983,306.42
  5. Step 5: Solve for x
    x = 2,983,306.42/1,977.45
  6. Step 6: Final answer
    x = 1,508.67

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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.