Home / 3,471.37-4,790.47-1,878.01

Finding the Fourth Proportional to 3,471.37, 4,790.47 and 1,878.01

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Solution

The fourth proportional to 3,471.37, 4,790.47 and 1,878.01 is: 2,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471.37 : 4,790.47 = 1,878.01 : x
  2. Step 2: Convert to fraction form
    3,471.37/4,790.47 = 1,878.01/x
  3. Step 3: Cross multiply
    3,471.37x = 4,790.47 × 1,878.01
  4. Step 4: Simplify right side
    3,471.37x = 8,996,556.30
  5. Step 5: Solve for x
    x = 8,996,556.30/3,471.37
  6. Step 6: Final answer
    x = 2,591.65

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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.