Home / 1,490.79-2,236.31-566.19

Finding the Fourth Proportional to 1,490.79, 2,236.31 and 566.19

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Solution

The fourth proportional to 1,490.79, 2,236.31 and 566.19 is: 849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490.79 : 2,236.31 = 566.19 : x
  2. Step 2: Convert to fraction form
    1,490.79/2,236.31 = 566.19/x
  3. Step 3: Cross multiply
    1,490.79x = 2,236.31 × 566.19
  4. Step 4: Simplify right side
    1,490.79x = 1,266,173.53
  5. Step 5: Solve for x
    x = 1,266,173.53/1,490.79
  6. Step 6: Final answer
    x = 849.33

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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.