Home / 3,091.04-4,265.72-1,693.84

Finding the Fourth Proportional to 3,091.04, 4,265.72 and 1,693.84

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Solution

The fourth proportional to 3,091.04, 4,265.72 and 1,693.84 is: 2,337.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.04 : 4,265.72 = 1,693.84 : x
  2. Step 2: Convert to fraction form
    3,091.04/4,265.72 = 1,693.84/x
  3. Step 3: Cross multiply
    3,091.04x = 4,265.72 × 1,693.84
  4. Step 4: Simplify right side
    3,091.04x = 7,225,447.16
  5. Step 5: Solve for x
    x = 7,225,447.16/3,091.04
  6. Step 6: Final answer
    x = 2,337.55

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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.