Home / 2,151.47-3,227.21-852.93

Finding the Fourth Proportional to 2,151.47, 3,227.21 and 852.93

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Solution

The fourth proportional to 2,151.47, 3,227.21 and 852.93 is: 1,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.47 : 3,227.21 = 852.93 : x
  2. Step 2: Convert to fraction form
    2,151.47/3,227.21 = 852.93/x
  3. Step 3: Cross multiply
    2,151.47x = 3,227.21 × 852.93
  4. Step 4: Simplify right side
    2,151.47x = 2,752,586.36
  5. Step 5: Solve for x
    x = 2,752,586.36/2,151.47
  6. Step 6: Final answer
    x = 1,279.40

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1.5x scale

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.