Home / 2,179.77-3,008.60-1,341.01

Finding the Fourth Proportional to 2,179.77, 3,008.60 and 1,341.01

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Solution

The fourth proportional to 2,179.77, 3,008.60 and 1,341.01 is: 1,850.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.77 : 3,008.60 = 1,341.01 : x
  2. Step 2: Convert to fraction form
    2,179.77/3,008.60 = 1,341.01/x
  3. Step 3: Cross multiply
    2,179.77x = 3,008.60 × 1,341.01
  4. Step 4: Simplify right side
    2,179.77x = 4,034,562.69
  5. Step 5: Solve for x
    x = 4,034,562.69/2,179.77
  6. Step 6: Final answer
    x = 1,850.91

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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.