Home / 1,813.67-2,501.80-1,027.56

Finding the Fourth Proportional to 1,813.67, 2,501.80 and 1,027.56

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Solution

The fourth proportional to 1,813.67, 2,501.80 and 1,027.56 is: 1,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.67 : 2,501.80 = 1,027.56 : x
  2. Step 2: Convert to fraction form
    1,813.67/2,501.80 = 1,027.56/x
  3. Step 3: Cross multiply
    1,813.67x = 2,501.80 × 1,027.56
  4. Step 4: Simplify right side
    1,813.67x = 2,570,749.61
  5. Step 5: Solve for x
    x = 2,570,749.61/1,813.67
  6. Step 6: Final answer
    x = 1,417.43

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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.