Home / 2,903.86-4,007.41-1,577.65

Finding the Fourth Proportional to 2,903.86, 4,007.41 and 1,577.65

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Solution

The fourth proportional to 2,903.86, 4,007.41 and 1,577.65 is: 2,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.86 : 4,007.41 = 1,577.65 : x
  2. Step 2: Convert to fraction form
    2,903.86/4,007.41 = 1,577.65/x
  3. Step 3: Cross multiply
    2,903.86x = 4,007.41 × 1,577.65
  4. Step 4: Simplify right side
    2,903.86x = 6,322,291.45
  5. Step 5: Solve for x
    x = 6,322,291.45/2,903.86
  6. Step 6: Final answer
    x = 2,177.20

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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.