Home / 2,703.03-3,731.59-1,918.95

Finding the Fourth Proportional to 2,703.03, 3,731.59 and 1,918.95

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Solution

The fourth proportional to 2,703.03, 3,731.59 and 1,918.95 is: 2,649.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.03 : 3,731.59 = 1,918.95 : x
  2. Step 2: Convert to fraction form
    2,703.03/3,731.59 = 1,918.95/x
  3. Step 3: Cross multiply
    2,703.03x = 3,731.59 × 1,918.95
  4. Step 4: Simplify right side
    2,703.03x = 7,160,729.83
  5. Step 5: Solve for x
    x = 7,160,729.83/2,703.03
  6. Step 6: Final answer
    x = 2,649.15

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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.