Home / 1,977.74-2,963.78-1,453.62

Finding the Fourth Proportional to 1,977.74, 2,963.78 and 1,453.62

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Solution

The fourth proportional to 1,977.74, 2,963.78 and 1,453.62 is: 2,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.74 : 2,963.78 = 1,453.62 : x
  2. Step 2: Convert to fraction form
    1,977.74/2,963.78 = 1,453.62/x
  3. Step 3: Cross multiply
    1,977.74x = 2,963.78 × 1,453.62
  4. Step 4: Simplify right side
    1,977.74x = 4,308,209.88
  5. Step 5: Solve for x
    x = 4,308,209.88/1,977.74
  6. Step 6: Final answer
    x = 2,178.35

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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.