Home / 3,177.77-4,772.81-1,947.58

Finding the Fourth Proportional to 3,177.77, 4,772.81 and 1,947.58

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Solution

The fourth proportional to 3,177.77, 4,772.81 and 1,947.58 is: 2,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,177.77 : 4,772.81 = 1,947.58 : x
  2. Step 2: Convert to fraction form
    3,177.77/4,772.81 = 1,947.58/x
  3. Step 3: Cross multiply
    3,177.77x = 4,772.81 × 1,947.58
  4. Step 4: Simplify right side
    3,177.77x = 9,295,429.30
  5. Step 5: Solve for x
    x = 9,295,429.30/3,177.77
  6. Step 6: Final answer
    x = 2,925.14

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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.