Home / 3,298.46-4,548.96-2,039.31

Finding the Fourth Proportional to 3,298.46, 4,548.96 and 2,039.31

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Solution

The fourth proportional to 3,298.46, 4,548.96 and 2,039.31 is: 2,812.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.46 : 4,548.96 = 2,039.31 : x
  2. Step 2: Convert to fraction form
    3,298.46/4,548.96 = 2,039.31/x
  3. Step 3: Cross multiply
    3,298.46x = 4,548.96 × 2,039.31
  4. Step 4: Simplify right side
    3,298.46x = 9,276,739.62
  5. Step 5: Solve for x
    x = 9,276,739.62/3,298.46
  6. Step 6: Final answer
    x = 2,812.45

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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.