Home / 2,601.47-3,901.77-1,214.95

Finding the Fourth Proportional to 2,601.47, 3,901.77 and 1,214.95

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Solution

The fourth proportional to 2,601.47, 3,901.77 and 1,214.95 is: 1,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,601.47 : 3,901.77 = 1,214.95 : x
  2. Step 2: Convert to fraction form
    2,601.47/3,901.77 = 1,214.95/x
  3. Step 3: Cross multiply
    2,601.47x = 3,901.77 × 1,214.95
  4. Step 4: Simplify right side
    2,601.47x = 4,740,455.46
  5. Step 5: Solve for x
    x = 4,740,455.46/2,601.47
  6. Step 6: Final answer
    x = 1,822.22

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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.