Home / 3,318.81-4,575.35-2,648.87

Finding the Fourth Proportional to 3,318.81, 4,575.35 and 2,648.87

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Solution

The fourth proportional to 3,318.81, 4,575.35 and 2,648.87 is: 3,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.81 : 4,575.35 = 2,648.87 : x
  2. Step 2: Convert to fraction form
    3,318.81/4,575.35 = 2,648.87/x
  3. Step 3: Cross multiply
    3,318.81x = 4,575.35 × 2,648.87
  4. Step 4: Simplify right side
    3,318.81x = 12,119,507.35
  5. Step 5: Solve for x
    x = 12,119,507.35/3,318.81
  6. Step 6: Final answer
    x = 3,651.76

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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.