Home / 3,207.81-4,808.58-1,648.56

Finding the Fourth Proportional to 3,207.81, 4,808.58 and 1,648.56

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Solution

The fourth proportional to 3,207.81, 4,808.58 and 1,648.56 is: 2,471.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.81 : 4,808.58 = 1,648.56 : x
  2. Step 2: Convert to fraction form
    3,207.81/4,808.58 = 1,648.56/x
  3. Step 3: Cross multiply
    3,207.81x = 4,808.58 × 1,648.56
  4. Step 4: Simplify right side
    3,207.81x = 7,927,232.64
  5. Step 5: Solve for x
    x = 7,927,232.64/3,207.81
  6. Step 6: Final answer
    x = 2,471.23

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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.