Home / 2,122.12-2,927.30-1,493.56

Finding the Fourth Proportional to 2,122.12, 2,927.30 and 1,493.56

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Solution

The fourth proportional to 2,122.12, 2,927.30 and 1,493.56 is: 2,060.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122.12 : 2,927.30 = 1,493.56 : x
  2. Step 2: Convert to fraction form
    2,122.12/2,927.30 = 1,493.56/x
  3. Step 3: Cross multiply
    2,122.12x = 2,927.30 × 1,493.56
  4. Step 4: Simplify right side
    2,122.12x = 4,372,083.40
  5. Step 5: Solve for x
    x = 4,372,083.40/2,122.12
  6. Step 6: Final answer
    x = 2,060.25

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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.