Home / 1,622.23-2,432.75-1,276.24

Finding the Fourth Proportional to 1,622.23, 2,432.75 and 1,276.24

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Solution

The fourth proportional to 1,622.23, 2,432.75 and 1,276.24 is: 1,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622.23 : 2,432.75 = 1,276.24 : x
  2. Step 2: Convert to fraction form
    1,622.23/2,432.75 = 1,276.24/x
  3. Step 3: Cross multiply
    1,622.23x = 2,432.75 × 1,276.24
  4. Step 4: Simplify right side
    1,622.23x = 3,104,772.86
  5. Step 5: Solve for x
    x = 3,104,772.86/1,622.23
  6. Step 6: Final answer
    x = 1,913.89

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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.