Home / 2,969.56-4,451.46-1,429.72

Finding the Fourth Proportional to 2,969.56, 4,451.46 and 1,429.72

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Solution

The fourth proportional to 2,969.56, 4,451.46 and 1,429.72 is: 2,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969.56 : 4,451.46 = 1,429.72 : x
  2. Step 2: Convert to fraction form
    2,969.56/4,451.46 = 1,429.72/x
  3. Step 3: Cross multiply
    2,969.56x = 4,451.46 × 1,429.72
  4. Step 4: Simplify right side
    2,969.56x = 6,364,341.39
  5. Step 5: Solve for x
    x = 6,364,341.39/2,969.56
  6. Step 6: Final answer
    x = 2,143.19

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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.