Home / 3,065.63-4,225.41-2,169.77

Finding the Fourth Proportional to 3,065.63, 4,225.41 and 2,169.77

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Solution

The fourth proportional to 3,065.63, 4,225.41 and 2,169.77 is: 2,990.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.63 : 4,225.41 = 2,169.77 : x
  2. Step 2: Convert to fraction form
    3,065.63/4,225.41 = 2,169.77/x
  3. Step 3: Cross multiply
    3,065.63x = 4,225.41 × 2,169.77
  4. Step 4: Simplify right side
    3,065.63x = 9,168,146.73
  5. Step 5: Solve for x
    x = 9,168,146.73/3,065.63
  6. Step 6: Final answer
    x = 2,990.63

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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.