Home / 3,639.76-5,460.73-1,559.95

Finding the Fourth Proportional to 3,639.76, 5,460.73 and 1,559.95

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Solution

The fourth proportional to 3,639.76, 5,460.73 and 1,559.95 is: 2,340.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.76 : 5,460.73 = 1,559.95 : x
  2. Step 2: Convert to fraction form
    3,639.76/5,460.73 = 1,559.95/x
  3. Step 3: Cross multiply
    3,639.76x = 5,460.73 × 1,559.95
  4. Step 4: Simplify right side
    3,639.76x = 8,518,448.21
  5. Step 5: Solve for x
    x = 8,518,448.21/3,639.76
  6. Step 6: Final answer
    x = 2,340.39

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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.