Home / 3,639.22-5,460.47-1,559.77

Finding the Fourth Proportional to 3,639.22, 5,460.47 and 1,559.77

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Solution

The fourth proportional to 3,639.22, 5,460.47 and 1,559.77 is: 2,340.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.22 : 5,460.47 = 1,559.77 : x
  2. Step 2: Convert to fraction form
    3,639.22/5,460.47 = 1,559.77/x
  3. Step 3: Cross multiply
    3,639.22x = 5,460.47 × 1,559.77
  4. Step 4: Simplify right side
    3,639.22x = 8,517,077.29
  5. Step 5: Solve for x
    x = 8,517,077.29/3,639.22
  6. Step 6: Final answer
    x = 2,340.36

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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.