Home / 3,617.50-5,422.47-1,670.98

Finding the Fourth Proportional to 3,617.50, 5,422.47 and 1,670.98

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Solution

The fourth proportional to 3,617.50, 5,422.47 and 1,670.98 is: 2,504.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.50 : 5,422.47 = 1,670.98 : x
  2. Step 2: Convert to fraction form
    3,617.50/5,422.47 = 1,670.98/x
  3. Step 3: Cross multiply
    3,617.50x = 5,422.47 × 1,670.98
  4. Step 4: Simplify right side
    3,617.50x = 9,060,838.92
  5. Step 5: Solve for x
    x = 9,060,838.92/3,617.50
  6. Step 6: Final answer
    x = 2,504.72

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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.