Home / 2,127.69-3,193.70-1,347.93

Finding the Fourth Proportional to 2,127.69, 3,193.70 and 1,347.93

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Solution

The fourth proportional to 2,127.69, 3,193.70 and 1,347.93 is: 2,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127.69 : 3,193.70 = 1,347.93 : x
  2. Step 2: Convert to fraction form
    2,127.69/3,193.70 = 1,347.93/x
  3. Step 3: Cross multiply
    2,127.69x = 3,193.70 × 1,347.93
  4. Step 4: Simplify right side
    2,127.69x = 4,304,877.30
  5. Step 5: Solve for x
    x = 4,304,877.30/2,127.69
  6. Step 6: Final answer
    x = 2,023.26

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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.