Home / 1,490.84-2,236.58-566.39

Finding the Fourth Proportional to 1,490.84, 2,236.58 and 566.39

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Solution

The fourth proportional to 1,490.84, 2,236.58 and 566.39 is: 849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.84 : 2,236.58 = 566.39 : x
  2. Step 2: Convert to fraction form
    1,490.84/2,236.58 = 566.39/x
  3. Step 3: Cross multiply
    1,490.84x = 2,236.58 × 566.39
  4. Step 4: Simplify right side
    1,490.84x = 1,266,781.43
  5. Step 5: Solve for x
    x = 1,266,781.43/1,490.84
  6. Step 6: Final answer
    x = 849.71

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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.