Home / 3,027.80-4,541.70-2,106.20

Finding the Fourth Proportional to 3,027.80, 4,541.70 and 2,106.20

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Solution

The fourth proportional to 3,027.80, 4,541.70 and 2,106.20 is: 3,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,027.80 : 4,541.70 = 2,106.20 : x
  2. Step 2: Convert to fraction form
    3,027.80/4,541.70 = 2,106.20/x
  3. Step 3: Cross multiply
    3,027.80x = 4,541.70 × 2,106.20
  4. Step 4: Simplify right side
    3,027.80x = 9,565,728.54
  5. Step 5: Solve for x
    x = 9,565,728.54/3,027.80
  6. Step 6: Final answer
    x = 3,159.30

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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.