Home / 2,903.89-4,007.32-1,577.59

Finding the Fourth Proportional to 2,903.89, 4,007.32 and 1,577.59

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Solution

The fourth proportional to 2,903.89, 4,007.32 and 1,577.59 is: 2,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.89 : 4,007.32 = 1,577.59 : x
  2. Step 2: Convert to fraction form
    2,903.89/4,007.32 = 1,577.59/x
  3. Step 3: Cross multiply
    2,903.89x = 4,007.32 × 1,577.59
  4. Step 4: Simplify right side
    2,903.89x = 6,321,907.96
  5. Step 5: Solve for x
    x = 6,321,907.96/2,903.89
  6. Step 6: Final answer
    x = 2,177.05

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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.