Home / 3,091.08-4,269.78-2,303.76

Finding the Fourth Proportional to 3,091.08, 4,269.78 and 2,303.76

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Solution

The fourth proportional to 3,091.08, 4,269.78 and 2,303.76 is: 3,182.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.08 : 4,269.78 = 2,303.76 : x
  2. Step 2: Convert to fraction form
    3,091.08/4,269.78 = 2,303.76/x
  3. Step 3: Cross multiply
    3,091.08x = 4,269.78 × 2,303.76
  4. Step 4: Simplify right side
    3,091.08x = 9,836,548.37
  5. Step 5: Solve for x
    x = 9,836,548.37/3,091.08
  6. Step 6: Final answer
    x = 3,182.24

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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.