Home / 1,810.91-2,717.14-1,226.57

Finding the Fourth Proportional to 1,810.91, 2,717.14 and 1,226.57

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Solution

The fourth proportional to 1,810.91, 2,717.14 and 1,226.57 is: 1,840.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.91 : 2,717.14 = 1,226.57 : x
  2. Step 2: Convert to fraction form
    1,810.91/2,717.14 = 1,226.57/x
  3. Step 3: Cross multiply
    1,810.91x = 2,717.14 × 1,226.57
  4. Step 4: Simplify right side
    1,810.91x = 3,332,762.41
  5. Step 5: Solve for x
    x = 3,332,762.41/1,810.91
  6. Step 6: Final answer
    x = 1,840.38

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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.