Home / 3,065.74-4,228.26-2,003.42

Finding the Fourth Proportional to 3,065.74, 4,228.26 and 2,003.42

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Solution

The fourth proportional to 3,065.74, 4,228.26 and 2,003.42 is: 2,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.74 : 4,228.26 = 2,003.42 : x
  2. Step 2: Convert to fraction form
    3,065.74/4,228.26 = 2,003.42/x
  3. Step 3: Cross multiply
    3,065.74x = 4,228.26 × 2,003.42
  4. Step 4: Simplify right side
    3,065.74x = 8,470,980.65
  5. Step 5: Solve for x
    x = 8,470,980.65/3,065.74
  6. Step 6: Final answer
    x = 2,763.11

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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.