Home / 1,429.16-2,141.94-606.47

Finding the Fourth Proportional to 1,429.16, 2,141.94 and 606.47

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Solution

The fourth proportional to 1,429.16, 2,141.94 and 606.47 is: 908.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.16 : 2,141.94 = 606.47 : x
  2. Step 2: Convert to fraction form
    1,429.16/2,141.94 = 606.47/x
  3. Step 3: Cross multiply
    1,429.16x = 2,141.94 × 606.47
  4. Step 4: Simplify right side
    1,429.16x = 1,299,022.35
  5. Step 5: Solve for x
    x = 1,299,022.35/1,429.16
  6. Step 6: Final answer
    x = 908.94

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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.