Home / 1,429.44-2,143.61-608.10

Finding the Fourth Proportional to 1,429.44, 2,143.61 and 608.10

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Solution

The fourth proportional to 1,429.44, 2,143.61 and 608.10 is: 911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429.44 : 2,143.61 = 608.10 : x
  2. Step 2: Convert to fraction form
    1,429.44/2,143.61 = 608.10/x
  3. Step 3: Cross multiply
    1,429.44x = 2,143.61 × 608.10
  4. Step 4: Simplify right side
    1,429.44x = 1,303,529.24
  5. Step 5: Solve for x
    x = 1,303,529.24/1,429.44
  6. Step 6: Final answer
    x = 911.92

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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.