Home / 3,179.18-4,387.30-1,853.01

Finding the Fourth Proportional to 3,179.18, 4,387.30 and 1,853.01

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Solution

The fourth proportional to 3,179.18, 4,387.30 and 1,853.01 is: 2,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.18 : 4,387.30 = 1,853.01 : x
  2. Step 2: Convert to fraction form
    3,179.18/4,387.30 = 1,853.01/x
  3. Step 3: Cross multiply
    3,179.18x = 4,387.30 × 1,853.01
  4. Step 4: Simplify right side
    3,179.18x = 8,129,706.14
  5. Step 5: Solve for x
    x = 8,129,706.14/3,179.18
  6. Step 6: Final answer
    x = 2,557.17

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1.5x scale

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.