Home / 2,117.84-2,922.62-1,234.22

Finding the Fourth Proportional to 2,117.84, 2,922.62 and 1,234.22

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Solution

The fourth proportional to 2,117.84, 2,922.62 and 1,234.22 is: 1,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.84 : 2,922.62 = 1,234.22 : x
  2. Step 2: Convert to fraction form
    2,117.84/2,922.62 = 1,234.22/x
  3. Step 3: Cross multiply
    2,117.84x = 2,922.62 × 1,234.22
  4. Step 4: Simplify right side
    2,117.84x = 3,607,135.27
  5. Step 5: Solve for x
    x = 3,607,135.27/2,117.84
  6. Step 6: Final answer
    x = 1,703.22

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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.