Home / 1,889.24-2,827.13-1,230.71

Finding the Fourth Proportional to 1,889.24, 2,827.13 and 1,230.71

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Solution

The fourth proportional to 1,889.24, 2,827.13 and 1,230.71 is: 1,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889.24 : 2,827.13 = 1,230.71 : x
  2. Step 2: Convert to fraction form
    1,889.24/2,827.13 = 1,230.71/x
  3. Step 3: Cross multiply
    1,889.24x = 2,827.13 × 1,230.71
  4. Step 4: Simplify right side
    1,889.24x = 3,479,356.87
  5. Step 5: Solve for x
    x = 3,479,356.87/1,889.24
  6. Step 6: Final answer
    x = 1,841.68

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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.