Home / 2,543.70-3,812.37-1,373.66

Finding the Fourth Proportional to 2,543.70, 3,812.37 and 1,373.66

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Solution

The fourth proportional to 2,543.70, 3,812.37 and 1,373.66 is: 2,058.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.70 : 3,812.37 = 1,373.66 : x
  2. Step 2: Convert to fraction form
    2,543.70/3,812.37 = 1,373.66/x
  3. Step 3: Cross multiply
    2,543.70x = 3,812.37 × 1,373.66
  4. Step 4: Simplify right side
    2,543.70x = 5,236,890.26
  5. Step 5: Solve for x
    x = 5,236,890.26/2,543.70
  6. Step 6: Final answer
    x = 2,058.77

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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.