Home / 3,790.02-5,230.27-2,111.52

Finding the Fourth Proportional to 3,790.02, 5,230.27 and 2,111.52

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Solution

The fourth proportional to 3,790.02, 5,230.27 and 2,111.52 is: 2,913.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,790.02 : 5,230.27 = 2,111.52 : x
  2. Step 2: Convert to fraction form
    3,790.02/5,230.27 = 2,111.52/x
  3. Step 3: Cross multiply
    3,790.02x = 5,230.27 × 2,111.52
  4. Step 4: Simplify right side
    3,790.02x = 11,043,845.64
  5. Step 5: Solve for x
    x = 11,043,845.64/3,790.02
  6. Step 6: Final answer
    x = 2,913.93

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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.