Home / 3,719.88-5,580.39-1,254.51

Finding the Fourth Proportional to 3,719.88, 5,580.39 and 1,254.51

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Solution

The fourth proportional to 3,719.88, 5,580.39 and 1,254.51 is: 1,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.88 : 5,580.39 = 1,254.51 : x
  2. Step 2: Convert to fraction form
    3,719.88/5,580.39 = 1,254.51/x
  3. Step 3: Cross multiply
    3,719.88x = 5,580.39 × 1,254.51
  4. Step 4: Simplify right side
    3,719.88x = 7,000,655.06
  5. Step 5: Solve for x
    x = 7,000,655.06/3,719.88
  6. Step 6: Final answer
    x = 1,881.96

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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.