Home / 1,513.74-2,271.07-1,252.56

Finding the Fourth Proportional to 1,513.74, 2,271.07 and 1,252.56

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Solution

The fourth proportional to 1,513.74, 2,271.07 and 1,252.56 is: 1,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.74 : 2,271.07 = 1,252.56 : x
  2. Step 2: Convert to fraction form
    1,513.74/2,271.07 = 1,252.56/x
  3. Step 3: Cross multiply
    1,513.74x = 2,271.07 × 1,252.56
  4. Step 4: Simplify right side
    1,513.74x = 2,844,645.18
  5. Step 5: Solve for x
    x = 2,844,645.18/1,513.74
  6. Step 6: Final answer
    x = 1,879.22

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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.