Home / 4,245.43-5,857.81-2,566.90

Finding the Fourth Proportional to 4,245.43, 5,857.81 and 2,566.90

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Solution

The fourth proportional to 4,245.43, 5,857.81 and 2,566.90 is: 3,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.43 : 5,857.81 = 2,566.90 : x
  2. Step 2: Convert to fraction form
    4,245.43/5,857.81 = 2,566.90/x
  3. Step 3: Cross multiply
    4,245.43x = 5,857.81 × 2,566.90
  4. Step 4: Simplify right side
    4,245.43x = 15,036,428.85
  5. Step 5: Solve for x
    x = 15,036,428.85/4,245.43
  6. Step 6: Final answer
    x = 3,541.80

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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.