Home / 2,477.80-3,688.39-2,440.88

Finding the Fourth Proportional to 2,477.80, 3,688.39 and 2,440.88

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Solution

The fourth proportional to 2,477.80, 3,688.39 and 2,440.88 is: 3,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,477.80 : 3,688.39 = 2,440.88 : x
  2. Step 2: Convert to fraction form
    2,477.80/3,688.39 = 2,440.88/x
  3. Step 3: Cross multiply
    2,477.80x = 3,688.39 × 2,440.88
  4. Step 4: Simplify right side
    2,477.80x = 9,002,917.38
  5. Step 5: Solve for x
    x = 9,002,917.38/2,477.80
  6. Step 6: Final answer
    x = 3,633.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.