Home / 1,617.63-2,426.93-1,124.54

Finding the Fourth Proportional to 1,617.63, 2,426.93 and 1,124.54

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Solution

The fourth proportional to 1,617.63, 2,426.93 and 1,124.54 is: 1,687.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.63 : 2,426.93 = 1,124.54 : x
  2. Step 2: Convert to fraction form
    1,617.63/2,426.93 = 1,124.54/x
  3. Step 3: Cross multiply
    1,617.63x = 2,426.93 × 1,124.54
  4. Step 4: Simplify right side
    1,617.63x = 2,729,179.86
  5. Step 5: Solve for x
    x = 2,729,179.86/1,617.63
  6. Step 6: Final answer
    x = 1,687.15

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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.