Home / 3,719.32-5,578.47-1,254.29

Finding the Fourth Proportional to 3,719.32, 5,578.47 and 1,254.29

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Solution

The fourth proportional to 3,719.32, 5,578.47 and 1,254.29 is: 1,881.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.32 : 5,578.47 = 1,254.29 : x
  2. Step 2: Convert to fraction form
    3,719.32/5,578.47 = 1,254.29/x
  3. Step 3: Cross multiply
    3,719.32x = 5,578.47 × 1,254.29
  4. Step 4: Simplify right side
    3,719.32x = 6,996,991.24
  5. Step 5: Solve for x
    x = 6,996,991.24/3,719.32
  6. Step 6: Final answer
    x = 1,881.26

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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.