Home / 3,077.28-4,618.99-1,434.98

Finding the Fourth Proportional to 3,077.28, 4,618.99 and 1,434.98

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Solution

The fourth proportional to 3,077.28, 4,618.99 and 1,434.98 is: 2,153.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077.28 : 4,618.99 = 1,434.98 : x
  2. Step 2: Convert to fraction form
    3,077.28/4,618.99 = 1,434.98/x
  3. Step 3: Cross multiply
    3,077.28x = 4,618.99 × 1,434.98
  4. Step 4: Simplify right side
    3,077.28x = 6,628,171.61
  5. Step 5: Solve for x
    x = 6,628,171.61/3,077.28
  6. Step 6: Final answer
    x = 2,153.91

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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.