Home / 1,813.38-2,502.90-1,027.68

Finding the Fourth Proportional to 1,813.38, 2,502.90 and 1,027.68

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Solution

The fourth proportional to 1,813.38, 2,502.90 and 1,027.68 is: 1,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.38 : 2,502.90 = 1,027.68 : x
  2. Step 2: Convert to fraction form
    1,813.38/2,502.90 = 1,027.68/x
  3. Step 3: Cross multiply
    1,813.38x = 2,502.90 × 1,027.68
  4. Step 4: Simplify right side
    1,813.38x = 2,572,180.27
  5. Step 5: Solve for x
    x = 2,572,180.27/1,813.38
  6. Step 6: Final answer
    x = 1,418.45

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1.5x scale

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.