Home / 2,001.08-2,761.54-1,116.95

Finding the Fourth Proportional to 2,001.08, 2,761.54 and 1,116.95

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Solution

The fourth proportional to 2,001.08, 2,761.54 and 1,116.95 is: 1,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.08 : 2,761.54 = 1,116.95 : x
  2. Step 2: Convert to fraction form
    2,001.08/2,761.54 = 1,116.95/x
  3. Step 3: Cross multiply
    2,001.08x = 2,761.54 × 1,116.95
  4. Step 4: Simplify right side
    2,001.08x = 3,084,485.50
  5. Step 5: Solve for x
    x = 3,084,485.50/2,001.08
  6. Step 6: Final answer
    x = 1,541.41

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1.5x scale

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.