Home / 2,754.12-3,801.90-1,809.93

Finding the Fourth Proportional to 2,754.12, 3,801.90 and 1,809.93

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Solution

The fourth proportional to 2,754.12, 3,801.90 and 1,809.93 is: 2,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.12 : 3,801.90 = 1,809.93 : x
  2. Step 2: Convert to fraction form
    2,754.12/3,801.90 = 1,809.93/x
  3. Step 3: Cross multiply
    2,754.12x = 3,801.90 × 1,809.93
  4. Step 4: Simplify right side
    2,754.12x = 6,881,172.87
  5. Step 5: Solve for x
    x = 6,881,172.87/2,754.12
  6. Step 6: Final answer
    x = 2,498.50

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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.