Home / 3,092.80-4,642.44-1,631.56

Finding the Fourth Proportional to 3,092.80, 4,642.44 and 1,631.56

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Solution

The fourth proportional to 3,092.80, 4,642.44 and 1,631.56 is: 2,449.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.80 : 4,642.44 = 1,631.56 : x
  2. Step 2: Convert to fraction form
    3,092.80/4,642.44 = 1,631.56/x
  3. Step 3: Cross multiply
    3,092.80x = 4,642.44 × 1,631.56
  4. Step 4: Simplify right side
    3,092.80x = 7,574,419.41
  5. Step 5: Solve for x
    x = 7,574,419.41/3,092.80
  6. Step 6: Final answer
    x = 2,449.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.