Home / 2,708.64-4,043.12-2,477.79

Finding the Fourth Proportional to 2,708.64, 4,043.12 and 2,477.79

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Solution

The fourth proportional to 2,708.64, 4,043.12 and 2,477.79 is: 3,698.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.64 : 4,043.12 = 2,477.79 : x
  2. Step 2: Convert to fraction form
    2,708.64/4,043.12 = 2,477.79/x
  3. Step 3: Cross multiply
    2,708.64x = 4,043.12 × 2,477.79
  4. Step 4: Simplify right side
    2,708.64x = 10,017,989.92
  5. Step 5: Solve for x
    x = 10,017,989.92/2,708.64
  6. Step 6: Final answer
    x = 3,698.53

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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.