Home / 3,088.80-4,634.38-1,857.06

Finding the Fourth Proportional to 3,088.80, 4,634.38 and 1,857.06

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Solution

The fourth proportional to 3,088.80, 4,634.38 and 1,857.06 is: 2,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.80 : 4,634.38 = 1,857.06 : x
  2. Step 2: Convert to fraction form
    3,088.80/4,634.38 = 1,857.06/x
  3. Step 3: Cross multiply
    3,088.80x = 4,634.38 × 1,857.06
  4. Step 4: Simplify right side
    3,088.80x = 8,606,298.55
  5. Step 5: Solve for x
    x = 8,606,298.55/3,088.80
  6. Step 6: Final answer
    x = 2,786.30

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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.