Home / 3,150.26-4,347.29-1,971.98

Finding the Fourth Proportional to 3,150.26, 4,347.29 and 1,971.98

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Solution

The fourth proportional to 3,150.26, 4,347.29 and 1,971.98 is: 2,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.26 : 4,347.29 = 1,971.98 : x
  2. Step 2: Convert to fraction form
    3,150.26/4,347.29 = 1,971.98/x
  3. Step 3: Cross multiply
    3,150.26x = 4,347.29 × 1,971.98
  4. Step 4: Simplify right side
    3,150.26x = 8,572,737.34
  5. Step 5: Solve for x
    x = 8,572,737.34/3,150.26
  6. Step 6: Final answer
    x = 2,721.28

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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.