Home / 2,541.29-3,506.87-1,391.47

Finding the Fourth Proportional to 2,541.29, 3,506.87 and 1,391.47

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Solution

The fourth proportional to 2,541.29, 3,506.87 and 1,391.47 is: 1,920.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.29 : 3,506.87 = 1,391.47 : x
  2. Step 2: Convert to fraction form
    2,541.29/3,506.87 = 1,391.47/x
  3. Step 3: Cross multiply
    2,541.29x = 3,506.87 × 1,391.47
  4. Step 4: Simplify right side
    2,541.29x = 4,879,704.40
  5. Step 5: Solve for x
    x = 4,879,704.40/2,541.29
  6. Step 6: Final answer
    x = 1,920.17

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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.