Home / 3,455.09-4,768.11-1,883.28

Finding the Fourth Proportional to 3,455.09, 4,768.11 and 1,883.28

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Solution

The fourth proportional to 3,455.09, 4,768.11 and 1,883.28 is: 2,598.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.09 : 4,768.11 = 1,883.28 : x
  2. Step 2: Convert to fraction form
    3,455.09/4,768.11 = 1,883.28/x
  3. Step 3: Cross multiply
    3,455.09x = 4,768.11 × 1,883.28
  4. Step 4: Simplify right side
    3,455.09x = 8,979,686.20
  5. Step 5: Solve for x
    x = 8,979,686.20/3,455.09
  6. Step 6: Final answer
    x = 2,598.98

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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.