Home / 1,588.33-2,189.85-1,027.81

Finding the Fourth Proportional to 1,588.33, 2,189.85 and 1,027.81

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Solution

The fourth proportional to 1,588.33, 2,189.85 and 1,027.81 is: 1,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.33 : 2,189.85 = 1,027.81 : x
  2. Step 2: Convert to fraction form
    1,588.33/2,189.85 = 1,027.81/x
  3. Step 3: Cross multiply
    1,588.33x = 2,189.85 × 1,027.81
  4. Step 4: Simplify right side
    1,588.33x = 2,250,749.73
  5. Step 5: Solve for x
    x = 2,250,749.73/1,588.33
  6. Step 6: Final answer
    x = 1,417.05

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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.