Home / 3,719.49-5,580.06-1,254.18

Finding the Fourth Proportional to 3,719.49, 5,580.06 and 1,254.18

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Solution

The fourth proportional to 3,719.49, 5,580.06 and 1,254.18 is: 1,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.49 : 5,580.06 = 1,254.18 : x
  2. Step 2: Convert to fraction form
    3,719.49/5,580.06 = 1,254.18/x
  3. Step 3: Cross multiply
    3,719.49x = 5,580.06 × 1,254.18
  4. Step 4: Simplify right side
    3,719.49x = 6,998,415.87
  5. Step 5: Solve for x
    x = 6,998,415.87/3,719.49
  6. Step 6: Final answer
    x = 1,881.55

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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.