Home / 3,007.70-4,145.63-2,012.62

Finding the Fourth Proportional to 3,007.70, 4,145.63 and 2,012.62

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Solution

The fourth proportional to 3,007.70, 4,145.63 and 2,012.62 is: 2,774.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.70 : 4,145.63 = 2,012.62 : x
  2. Step 2: Convert to fraction form
    3,007.70/4,145.63 = 2,012.62/x
  3. Step 3: Cross multiply
    3,007.70x = 4,145.63 × 2,012.62
  4. Step 4: Simplify right side
    3,007.70x = 8,343,577.85
  5. Step 5: Solve for x
    x = 8,343,577.85/3,007.70
  6. Step 6: Final answer
    x = 2,774.07

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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.