Home / 2,117.82-2,922.60-1,234.23

Finding the Fourth Proportional to 2,117.82, 2,922.60 and 1,234.23

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Solution

The fourth proportional to 2,117.82, 2,922.60 and 1,234.23 is: 1,703.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.82 : 2,922.60 = 1,234.23 : x
  2. Step 2: Convert to fraction form
    2,117.82/2,922.60 = 1,234.23/x
  3. Step 3: Cross multiply
    2,117.82x = 2,922.60 × 1,234.23
  4. Step 4: Simplify right side
    2,117.82x = 3,607,160.60
  5. Step 5: Solve for x
    x = 3,607,160.60/2,117.82
  6. Step 6: Final answer
    x = 1,703.24

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1.5x scale

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.