Home / 3,455.12-4,768.08-1,883.22

Finding the Fourth Proportional to 3,455.12, 4,768.08 and 1,883.22

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Solution

The fourth proportional to 3,455.12, 4,768.08 and 1,883.22 is: 2,598.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.12 : 4,768.08 = 1,883.22 : x
  2. Step 2: Convert to fraction form
    3,455.12/4,768.08 = 1,883.22/x
  3. Step 3: Cross multiply
    3,455.12x = 4,768.08 × 1,883.22
  4. Step 4: Simplify right side
    3,455.12x = 8,979,318.68
  5. Step 5: Solve for x
    x = 8,979,318.68/3,455.12
  6. Step 6: Final answer
    x = 2,598.84

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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.