Home / 2,656.03-3,979.62-1,874.75

Finding the Fourth Proportional to 2,656.03, 3,979.62 and 1,874.75

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Solution

The fourth proportional to 2,656.03, 3,979.62 and 1,874.75 is: 2,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.03 : 3,979.62 = 1,874.75 : x
  2. Step 2: Convert to fraction form
    2,656.03/3,979.62 = 1,874.75/x
  3. Step 3: Cross multiply
    2,656.03x = 3,979.62 × 1,874.75
  4. Step 4: Simplify right side
    2,656.03x = 7,460,770.06
  5. Step 5: Solve for x
    x = 7,460,770.06/2,656.03
  6. Step 6: Final answer
    x = 2,809.00

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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.