Home / 2,027.57-2,798.06-1,131.39

Finding the Fourth Proportional to 2,027.57, 2,798.06 and 1,131.39

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Solution

The fourth proportional to 2,027.57, 2,798.06 and 1,131.39 is: 1,561.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,027.57 : 2,798.06 = 1,131.39 : x
  2. Step 2: Convert to fraction form
    2,027.57/2,798.06 = 1,131.39/x
  3. Step 3: Cross multiply
    2,027.57x = 2,798.06 × 1,131.39
  4. Step 4: Simplify right side
    2,027.57x = 3,165,700.91
  5. Step 5: Solve for x
    x = 3,165,700.91/2,027.57
  6. Step 6: Final answer
    x = 1,561.33

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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.