Home / 1,490.72-2,236.09-566.02

Finding the Fourth Proportional to 1,490.72, 2,236.09 and 566.02

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Solution

The fourth proportional to 1,490.72, 2,236.09 and 566.02 is: 849.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.72 : 2,236.09 = 566.02 : x
  2. Step 2: Convert to fraction form
    1,490.72/2,236.09 = 566.02/x
  3. Step 3: Cross multiply
    1,490.72x = 2,236.09 × 566.02
  4. Step 4: Simplify right side
    1,490.72x = 1,265,664.66
  5. Step 5: Solve for x
    x = 1,265,664.66/1,490.72
  6. Step 6: Final answer
    x = 849.03

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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.