Home / 1,656.03-2,285.25-909.97

Finding the Fourth Proportional to 1,656.03, 2,285.25 and 909.97

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Solution

The fourth proportional to 1,656.03, 2,285.25 and 909.97 is: 1,255.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656.03 : 2,285.25 = 909.97 : x
  2. Step 2: Convert to fraction form
    1,656.03/2,285.25 = 909.97/x
  3. Step 3: Cross multiply
    1,656.03x = 2,285.25 × 909.97
  4. Step 4: Simplify right side
    1,656.03x = 2,079,508.94
  5. Step 5: Solve for x
    x = 2,079,508.94/1,656.03
  6. Step 6: Final answer
    x = 1,255.72

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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.