Home / 3,790.77-5,675.66-1,937.89

Finding the Fourth Proportional to 3,790.77, 5,675.66 and 1,937.89

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Solution

The fourth proportional to 3,790.77, 5,675.66 and 1,937.89 is: 2,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.77 : 5,675.66 = 1,937.89 : x
  2. Step 2: Convert to fraction form
    3,790.77/5,675.66 = 1,937.89/x
  3. Step 3: Cross multiply
    3,790.77x = 5,675.66 × 1,937.89
  4. Step 4: Simplify right side
    3,790.77x = 10,998,804.76
  5. Step 5: Solve for x
    x = 10,998,804.76/3,790.77
  6. Step 6: Final answer
    x = 2,901.47

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1.5x scale

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.