Home / 3,087.73-4,632.14-1,139.95

Finding the Fourth Proportional to 3,087.73, 4,632.14 and 1,139.95

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Solution

The fourth proportional to 3,087.73, 4,632.14 and 1,139.95 is: 1,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087.73 : 4,632.14 = 1,139.95 : x
  2. Step 2: Convert to fraction form
    3,087.73/4,632.14 = 1,139.95/x
  3. Step 3: Cross multiply
    3,087.73x = 4,632.14 × 1,139.95
  4. Step 4: Simplify right side
    3,087.73x = 5,280,407.99
  5. Step 5: Solve for x
    x = 5,280,407.99/3,087.73
  6. Step 6: Final answer
    x = 1,710.13

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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.