Home / 3,060.81-4,589.69-1,415.95

Finding the Fourth Proportional to 3,060.81, 4,589.69 and 1,415.95

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Solution

The fourth proportional to 3,060.81, 4,589.69 and 1,415.95 is: 2,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.81 : 4,589.69 = 1,415.95 : x
  2. Step 2: Convert to fraction form
    3,060.81/4,589.69 = 1,415.95/x
  3. Step 3: Cross multiply
    3,060.81x = 4,589.69 × 1,415.95
  4. Step 4: Simplify right side
    3,060.81x = 6,498,753.00
  5. Step 5: Solve for x
    x = 6,498,753.00/3,060.81
  6. Step 6: Final answer
    x = 2,123.21

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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.