Home / 3,455.12-4,767.99-1,963.01

Finding the Fourth Proportional to 3,455.12, 4,767.99 and 1,963.01

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Solution

The fourth proportional to 3,455.12, 4,767.99 and 1,963.01 is: 2,708.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.12 : 4,767.99 = 1,963.01 : x
  2. Step 2: Convert to fraction form
    3,455.12/4,767.99 = 1,963.01/x
  3. Step 3: Cross multiply
    3,455.12x = 4,767.99 × 1,963.01
  4. Step 4: Simplify right side
    3,455.12x = 9,359,612.05
  5. Step 5: Solve for x
    x = 9,359,612.05/3,455.12
  6. Step 6: Final answer
    x = 2,708.91

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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.