Home / 3,318.62-4,580.30-2,758.37

Finding the Fourth Proportional to 3,318.62, 4,580.30 and 2,758.37

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Solution

The fourth proportional to 3,318.62, 4,580.30 and 2,758.37 is: 3,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.62 : 4,580.30 = 2,758.37 : x
  2. Step 2: Convert to fraction form
    3,318.62/4,580.30 = 2,758.37/x
  3. Step 3: Cross multiply
    3,318.62x = 4,580.30 × 2,758.37
  4. Step 4: Simplify right side
    3,318.62x = 12,634,148.32
  5. Step 5: Solve for x
    x = 12,634,148.32/3,318.62
  6. Step 6: Final answer
    x = 3,807.05

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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.