Home / 2,719.02-3,753.81-1,790.22

Finding the Fourth Proportional to 2,719.02, 3,753.81 and 1,790.22

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Solution

The fourth proportional to 2,719.02, 3,753.81 and 1,790.22 is: 2,471.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719.02 : 3,753.81 = 1,790.22 : x
  2. Step 2: Convert to fraction form
    2,719.02/3,753.81 = 1,790.22/x
  3. Step 3: Cross multiply
    2,719.02x = 3,753.81 × 1,790.22
  4. Step 4: Simplify right side
    2,719.02x = 6,720,145.74
  5. Step 5: Solve for x
    x = 6,720,145.74/2,719.02
  6. Step 6: Final answer
    x = 2,471.53

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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.