Home / 3,465.27-4,780.41-2,269.74

Finding the Fourth Proportional to 3,465.27, 4,780.41 and 2,269.74

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Solution

The fourth proportional to 3,465.27, 4,780.41 and 2,269.74 is: 3,131.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,465.27 : 4,780.41 = 2,269.74 : x
  2. Step 2: Convert to fraction form
    3,465.27/4,780.41 = 2,269.74/x
  3. Step 3: Cross multiply
    3,465.27x = 4,780.41 × 2,269.74
  4. Step 4: Simplify right side
    3,465.27x = 10,850,284.39
  5. Step 5: Solve for x
    x = 10,850,284.39/3,465.27
  6. Step 6: Final answer
    x = 3,131.15

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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.