Home / 3,606.39-4,977.75-2,280.83

Finding the Fourth Proportional to 3,606.39, 4,977.75 and 2,280.83

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Solution

The fourth proportional to 3,606.39, 4,977.75 and 2,280.83 is: 3,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.39 : 4,977.75 = 2,280.83 : x
  2. Step 2: Convert to fraction form
    3,606.39/4,977.75 = 2,280.83/x
  3. Step 3: Cross multiply
    3,606.39x = 4,977.75 × 2,280.83
  4. Step 4: Simplify right side
    3,606.39x = 11,353,376.64
  5. Step 5: Solve for x
    x = 11,353,376.64/3,606.39
  6. Step 6: Final answer
    x = 3,148.13

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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.