Home / 2,179.51-3,007.68-1,184.74

Finding the Fourth Proportional to 2,179.51, 3,007.68 and 1,184.74

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Solution

The fourth proportional to 2,179.51, 3,007.68 and 1,184.74 is: 1,634.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179.51 : 3,007.68 = 1,184.74 : x
  2. Step 2: Convert to fraction form
    2,179.51/3,007.68 = 1,184.74/x
  3. Step 3: Cross multiply
    2,179.51x = 3,007.68 × 1,184.74
  4. Step 4: Simplify right side
    2,179.51x = 3,563,318.80
  5. Step 5: Solve for x
    x = 3,563,318.80/2,179.51
  6. Step 6: Final answer
    x = 1,634.92

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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.