Home / 2,904.10-4,007.68-1,577.86

Finding the Fourth Proportional to 2,904.10, 4,007.68 and 1,577.86

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Solution

The fourth proportional to 2,904.10, 4,007.68 and 1,577.86 is: 2,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.10 : 4,007.68 = 1,577.86 : x
  2. Step 2: Convert to fraction form
    2,904.10/4,007.68 = 1,577.86/x
  3. Step 3: Cross multiply
    2,904.10x = 4,007.68 × 1,577.86
  4. Step 4: Simplify right side
    2,904.10x = 6,323,557.96
  5. Step 5: Solve for x
    x = 6,323,557.96/2,904.10
  6. Step 6: Final answer
    x = 2,177.46

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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.