Home / 2,538.49-3,502.68-1,490.77

Finding the Fourth Proportional to 2,538.49, 3,502.68 and 1,490.77

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Solution

The fourth proportional to 2,538.49, 3,502.68 and 1,490.77 is: 2,057.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,538.49 : 3,502.68 = 1,490.77 : x
  2. Step 2: Convert to fraction form
    2,538.49/3,502.68 = 1,490.77/x
  3. Step 3: Cross multiply
    2,538.49x = 3,502.68 × 1,490.77
  4. Step 4: Simplify right side
    2,538.49x = 5,221,690.26
  5. Step 5: Solve for x
    x = 5,221,690.26/2,538.49
  6. Step 6: Final answer
    x = 2,057.01

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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.