Home / 2,001.37-2,761.80-1,117

Finding the Fourth Proportional to 2,001.37, 2,761.80 and 1,117

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Solution

The fourth proportional to 2,001.37, 2,761.80 and 1,117 is: 1,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.37 : 2,761.80 = 1,117 : x
  2. Step 2: Convert to fraction form
    2,001.37/2,761.80 = 1,117/x
  3. Step 3: Cross multiply
    2,001.37x = 2,761.80 × 1,117
  4. Step 4: Simplify right side
    2,001.37x = 3,084,930.60
  5. Step 5: Solve for x
    x = 3,084,930.60/2,001.37
  6. Step 6: Final answer
    x = 1,541.41

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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.