Home / 3,717.64-5,577.32-1,252.40

Finding the Fourth Proportional to 3,717.64, 5,577.32 and 1,252.40

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Solution

The fourth proportional to 3,717.64, 5,577.32 and 1,252.40 is: 1,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,717.64 : 5,577.32 = 1,252.40 : x
  2. Step 2: Convert to fraction form
    3,717.64/5,577.32 = 1,252.40/x
  3. Step 3: Cross multiply
    3,717.64x = 5,577.32 × 1,252.40
  4. Step 4: Simplify right side
    3,717.64x = 6,985,035.57
  5. Step 5: Solve for x
    x = 6,985,035.57/3,717.64
  6. Step 6: Final answer
    x = 1,878.89

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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.