Home / 3,455.20-4,767.04-2,057.76

Finding the Fourth Proportional to 3,455.20, 4,767.04 and 2,057.76

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Solution

The fourth proportional to 3,455.20, 4,767.04 and 2,057.76 is: 2,839.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.20 : 4,767.04 = 2,057.76 : x
  2. Step 2: Convert to fraction form
    3,455.20/4,767.04 = 2,057.76/x
  3. Step 3: Cross multiply
    3,455.20x = 4,767.04 × 2,057.76
  4. Step 4: Simplify right side
    3,455.20x = 9,809,424.23
  5. Step 5: Solve for x
    x = 9,809,424.23/3,455.20
  6. Step 6: Final answer
    x = 2,839.03

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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.