Home / 3,425.82-4,722.75-2,762.70

Finding the Fourth Proportional to 3,425.82, 4,722.75 and 2,762.70

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Solution

The fourth proportional to 3,425.82, 4,722.75 and 2,762.70 is: 3,808.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.82 : 4,722.75 = 2,762.70 : x
  2. Step 2: Convert to fraction form
    3,425.82/4,722.75 = 2,762.70/x
  3. Step 3: Cross multiply
    3,425.82x = 4,722.75 × 2,762.70
  4. Step 4: Simplify right side
    3,425.82x = 13,047,541.43
  5. Step 5: Solve for x
    x = 13,047,541.43/3,425.82
  6. Step 6: Final answer
    x = 3,808.59

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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.