Home / 3,718.71-5,577.21-1,085.54

Finding the Fourth Proportional to 3,718.71, 5,577.21 and 1,085.54

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Solution

The fourth proportional to 3,718.71, 5,577.21 and 1,085.54 is: 1,628.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.71 : 5,577.21 = 1,085.54 : x
  2. Step 2: Convert to fraction form
    3,718.71/5,577.21 = 1,085.54/x
  3. Step 3: Cross multiply
    3,718.71x = 5,577.21 × 1,085.54
  4. Step 4: Simplify right side
    3,718.71x = 6,054,256.66
  5. Step 5: Solve for x
    x = 6,054,256.66/3,718.71
  6. Step 6: Final answer
    x = 1,628.05

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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.