Home / 3,718.10-5,577.72-1,252.72

Finding the Fourth Proportional to 3,718.10, 5,577.72 and 1,252.72

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Solution

The fourth proportional to 3,718.10, 5,577.72 and 1,252.72 is: 1,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.10 : 5,577.72 = 1,252.72 : x
  2. Step 2: Convert to fraction form
    3,718.10/5,577.72 = 1,252.72/x
  3. Step 3: Cross multiply
    3,718.10x = 5,577.72 × 1,252.72
  4. Step 4: Simplify right side
    3,718.10x = 6,987,321.40
  5. Step 5: Solve for x
    x = 6,987,321.40/3,718.10
  6. Step 6: Final answer
    x = 1,879.27

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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.