Home / 3,490.90-5,236.50-1,736.74

Finding the Fourth Proportional to 3,490.90, 5,236.50 and 1,736.74

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Solution

The fourth proportional to 3,490.90, 5,236.50 and 1,736.74 is: 2,605.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.90 : 5,236.50 = 1,736.74 : x
  2. Step 2: Convert to fraction form
    3,490.90/5,236.50 = 1,736.74/x
  3. Step 3: Cross multiply
    3,490.90x = 5,236.50 × 1,736.74
  4. Step 4: Simplify right side
    3,490.90x = 9,094,439.01
  5. Step 5: Solve for x
    x = 9,094,439.01/3,490.90
  6. Step 6: Final answer
    x = 2,605.18

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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.