Home / 2,538.26-3,502.89-1,490.66

Finding the Fourth Proportional to 2,538.26, 3,502.89 and 1,490.66

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Solution

The fourth proportional to 2,538.26, 3,502.89 and 1,490.66 is: 2,057.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.26 : 3,502.89 = 1,490.66 : x
  2. Step 2: Convert to fraction form
    2,538.26/3,502.89 = 1,490.66/x
  3. Step 3: Cross multiply
    2,538.26x = 3,502.89 × 1,490.66
  4. Step 4: Simplify right side
    2,538.26x = 5,221,618.01
  5. Step 5: Solve for x
    x = 5,221,618.01/2,538.26
  6. Step 6: Final answer
    x = 2,057.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.