Home / 3,490.89-5,236.35-1,299.03

Finding the Fourth Proportional to 3,490.89, 5,236.35 and 1,299.03

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Solution

The fourth proportional to 3,490.89, 5,236.35 and 1,299.03 is: 1,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.89 : 5,236.35 = 1,299.03 : x
  2. Step 2: Convert to fraction form
    3,490.89/5,236.35 = 1,299.03/x
  3. Step 3: Cross multiply
    3,490.89x = 5,236.35 × 1,299.03
  4. Step 4: Simplify right side
    3,490.89x = 6,802,175.74
  5. Step 5: Solve for x
    x = 6,802,175.74/3,490.89
  6. Step 6: Final answer
    x = 1,948.55

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1.5x scale

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.