Home / 1,622.50-2,239.06-923.92

Finding the Fourth Proportional to 1,622.50, 2,239.06 and 923.92

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Solution

The fourth proportional to 1,622.50, 2,239.06 and 923.92 is: 1,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.50 : 2,239.06 = 923.92 : x
  2. Step 2: Convert to fraction form
    1,622.50/2,239.06 = 923.92/x
  3. Step 3: Cross multiply
    1,622.50x = 2,239.06 × 923.92
  4. Step 4: Simplify right side
    1,622.50x = 2,068,712.32
  5. Step 5: Solve for x
    x = 2,068,712.32/1,622.50
  6. Step 6: Final answer
    x = 1,275.02

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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.