Home / 1,564.92-2,350.26-1,242.36

Finding the Fourth Proportional to 1,564.92, 2,350.26 and 1,242.36

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Solution

The fourth proportional to 1,564.92, 2,350.26 and 1,242.36 is: 1,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564.92 : 2,350.26 = 1,242.36 : x
  2. Step 2: Convert to fraction form
    1,564.92/2,350.26 = 1,242.36/x
  3. Step 3: Cross multiply
    1,564.92x = 2,350.26 × 1,242.36
  4. Step 4: Simplify right side
    1,564.92x = 2,919,869.01
  5. Step 5: Solve for x
    x = 2,919,869.01/1,564.92
  6. Step 6: Final answer
    x = 1,865.83

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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.