Home / 3,455.08-4,768.02-2,057.80

Finding the Fourth Proportional to 3,455.08, 4,768.02 and 2,057.80

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Solution

The fourth proportional to 3,455.08, 4,768.02 and 2,057.80 is: 2,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.08 : 4,768.02 = 2,057.80 : x
  2. Step 2: Convert to fraction form
    3,455.08/4,768.02 = 2,057.80/x
  3. Step 3: Cross multiply
    3,455.08x = 4,768.02 × 2,057.80
  4. Step 4: Simplify right side
    3,455.08x = 9,811,631.56
  5. Step 5: Solve for x
    x = 9,811,631.56/3,455.08
  6. Step 6: Final answer
    x = 2,839.77

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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.