Home / 3,030.72-4,179.96-2,035.32

Finding the Fourth Proportional to 3,030.72, 4,179.96 and 2,035.32

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Solution

The fourth proportional to 3,030.72, 4,179.96 and 2,035.32 is: 2,807.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.72 : 4,179.96 = 2,035.32 : x
  2. Step 2: Convert to fraction form
    3,030.72/4,179.96 = 2,035.32/x
  3. Step 3: Cross multiply
    3,030.72x = 4,179.96 × 2,035.32
  4. Step 4: Simplify right side
    3,030.72x = 8,507,556.19
  5. Step 5: Solve for x
    x = 8,507,556.19/3,030.72
  6. Step 6: Final answer
    x = 2,807.11

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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.