Home / 3,455.07-4,768.13-1,963.24

Finding the Fourth Proportional to 3,455.07, 4,768.13 and 1,963.24

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Solution

The fourth proportional to 3,455.07, 4,768.13 and 1,963.24 is: 2,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.07 : 4,768.13 = 1,963.24 : x
  2. Step 2: Convert to fraction form
    3,455.07/4,768.13 = 1,963.24/x
  3. Step 3: Cross multiply
    3,455.07x = 4,768.13 × 1,963.24
  4. Step 4: Simplify right side
    3,455.07x = 9,360,961.80
  5. Step 5: Solve for x
    x = 9,360,961.80/3,455.07
  6. Step 6: Final answer
    x = 2,709.34

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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.