Home / 1,502.43-2,250.35-1,239.47

Finding the Fourth Proportional to 1,502.43, 2,250.35 and 1,239.47

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Solution

The fourth proportional to 1,502.43, 2,250.35 and 1,239.47 is: 1,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502.43 : 2,250.35 = 1,239.47 : x
  2. Step 2: Convert to fraction form
    1,502.43/2,250.35 = 1,239.47/x
  3. Step 3: Cross multiply
    1,502.43x = 2,250.35 × 1,239.47
  4. Step 4: Simplify right side
    1,502.43x = 2,789,245.39
  5. Step 5: Solve for x
    x = 2,789,245.39/1,502.43
  6. Step 6: Final answer
    x = 1,856.49

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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.