Home / 1,335.67-2,003.24-1,118.59

Finding the Fourth Proportional to 1,335.67, 2,003.24 and 1,118.59

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Solution

The fourth proportional to 1,335.67, 2,003.24 and 1,118.59 is: 1,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335.67 : 2,003.24 = 1,118.59 : x
  2. Step 2: Convert to fraction form
    1,335.67/2,003.24 = 1,118.59/x
  3. Step 3: Cross multiply
    1,335.67x = 2,003.24 × 1,118.59
  4. Step 4: Simplify right side
    1,335.67x = 2,240,798.64
  5. Step 5: Solve for x
    x = 2,240,798.64/1,335.67
  6. Step 6: Final answer
    x = 1,677.66

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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.