Home / 1,527.99-2,108.27-1,085.73

Finding the Fourth Proportional to 1,527.99, 2,108.27 and 1,085.73

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Solution

The fourth proportional to 1,527.99, 2,108.27 and 1,085.73 is: 1,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527.99 : 2,108.27 = 1,085.73 : x
  2. Step 2: Convert to fraction form
    1,527.99/2,108.27 = 1,085.73/x
  3. Step 3: Cross multiply
    1,527.99x = 2,108.27 × 1,085.73
  4. Step 4: Simplify right side
    1,527.99x = 2,289,006.56
  5. Step 5: Solve for x
    x = 2,289,006.56/1,527.99
  6. Step 6: Final answer
    x = 1,498.05

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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.