Home / 3,091.19-4,265.84-1,674.91

Finding the Fourth Proportional to 3,091.19, 4,265.84 and 1,674.91

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Solution

The fourth proportional to 3,091.19, 4,265.84 and 1,674.91 is: 2,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.19 : 4,265.84 = 1,674.91 : x
  2. Step 2: Convert to fraction form
    3,091.19/4,265.84 = 1,674.91/x
  3. Step 3: Cross multiply
    3,091.19x = 4,265.84 × 1,674.91
  4. Step 4: Simplify right side
    3,091.19x = 7,144,895.82
  5. Step 5: Solve for x
    x = 7,144,895.82/3,091.19
  6. Step 6: Final answer
    x = 2,311.38

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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.