Home / 2,933.70-4,046.31-1,885.20

Finding the Fourth Proportional to 2,933.70, 4,046.31 and 1,885.20

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Solution

The fourth proportional to 2,933.70, 4,046.31 and 1,885.20 is: 2,600.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,933.70 : 4,046.31 = 1,885.20 : x
  2. Step 2: Convert to fraction form
    2,933.70/4,046.31 = 1,885.20/x
  3. Step 3: Cross multiply
    2,933.70x = 4,046.31 × 1,885.20
  4. Step 4: Simplify right side
    2,933.70x = 7,628,103.61
  5. Step 5: Solve for x
    x = 7,628,103.61/2,933.70
  6. Step 6: Final answer
    x = 2,600.16

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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.