Home / 3,187.40-4,398.03-1,770.93

Finding the Fourth Proportional to 3,187.40, 4,398.03 and 1,770.93

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Solution

The fourth proportional to 3,187.40, 4,398.03 and 1,770.93 is: 2,443.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.40 : 4,398.03 = 1,770.93 : x
  2. Step 2: Convert to fraction form
    3,187.40/4,398.03 = 1,770.93/x
  3. Step 3: Cross multiply
    3,187.40x = 4,398.03 × 1,770.93
  4. Step 4: Simplify right side
    3,187.40x = 7,788,603.27
  5. Step 5: Solve for x
    x = 7,788,603.27/3,187.40
  6. Step 6: Final answer
    x = 2,443.56

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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.