Home / 3,091.89-4,634.60-1,530.92

Finding the Fourth Proportional to 3,091.89, 4,634.60 and 1,530.92

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Solution

The fourth proportional to 3,091.89, 4,634.60 and 1,530.92 is: 2,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.89 : 4,634.60 = 1,530.92 : x
  2. Step 2: Convert to fraction form
    3,091.89/4,634.60 = 1,530.92/x
  3. Step 3: Cross multiply
    3,091.89x = 4,634.60 × 1,530.92
  4. Step 4: Simplify right side
    3,091.89x = 7,095,182.49
  5. Step 5: Solve for x
    x = 7,095,182.49/3,091.89
  6. Step 6: Final answer
    x = 2,294.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.