Home / 1,659.56-2,289.46-1,029.92

Finding the Fourth Proportional to 1,659.56, 2,289.46 and 1,029.92

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Solution

The fourth proportional to 1,659.56, 2,289.46 and 1,029.92 is: 1,420.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659.56 : 2,289.46 = 1,029.92 : x
  2. Step 2: Convert to fraction form
    1,659.56/2,289.46 = 1,029.92/x
  3. Step 3: Cross multiply
    1,659.56x = 2,289.46 × 1,029.92
  4. Step 4: Simplify right side
    1,659.56x = 2,357,960.64
  5. Step 5: Solve for x
    x = 2,357,960.64/1,659.56
  6. Step 6: Final answer
    x = 1,420.83

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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.