Home / 3,030.45-4,179.24-1,967.10

Finding the Fourth Proportional to 3,030.45, 4,179.24 and 1,967.10

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Solution

The fourth proportional to 3,030.45, 4,179.24 and 1,967.10 is: 2,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.45 : 4,179.24 = 1,967.10 : x
  2. Step 2: Convert to fraction form
    3,030.45/4,179.24 = 1,967.10/x
  3. Step 3: Cross multiply
    3,030.45x = 4,179.24 × 1,967.10
  4. Step 4: Simplify right side
    3,030.45x = 8,220,983.00
  5. Step 5: Solve for x
    x = 8,220,983.00/3,030.45
  6. Step 6: Final answer
    x = 2,712.79

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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.