Home / 1,823.91-2,516.25-1,325.44

Finding the Fourth Proportional to 1,823.91, 2,516.25 and 1,325.44

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Solution

The fourth proportional to 1,823.91, 2,516.25 and 1,325.44 is: 1,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.91 : 2,516.25 = 1,325.44 : x
  2. Step 2: Convert to fraction form
    1,823.91/2,516.25 = 1,325.44/x
  3. Step 3: Cross multiply
    1,823.91x = 2,516.25 × 1,325.44
  4. Step 4: Simplify right side
    1,823.91x = 3,335,138.40
  5. Step 5: Solve for x
    x = 3,335,138.40/1,823.91
  6. Step 6: Final answer
    x = 1,828.57

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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.