Home / 3,809.10-5,714.06-1,618.05

Finding the Fourth Proportional to 3,809.10, 5,714.06 and 1,618.05

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Solution

The fourth proportional to 3,809.10, 5,714.06 and 1,618.05 is: 2,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809.10 : 5,714.06 = 1,618.05 : x
  2. Step 2: Convert to fraction form
    3,809.10/5,714.06 = 1,618.05/x
  3. Step 3: Cross multiply
    3,809.10x = 5,714.06 × 1,618.05
  4. Step 4: Simplify right side
    3,809.10x = 9,245,634.78
  5. Step 5: Solve for x
    x = 9,245,634.78/3,809.10
  6. Step 6: Final answer
    x = 2,427.25

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1.5x scale

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.