Home / 2,903.62-4,006.85-1,577.32

Finding the Fourth Proportional to 2,903.62, 4,006.85 and 1,577.32

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Solution

The fourth proportional to 2,903.62, 4,006.85 and 1,577.32 is: 2,176.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.62 : 4,006.85 = 1,577.32 : x
  2. Step 2: Convert to fraction form
    2,903.62/4,006.85 = 1,577.32/x
  3. Step 3: Cross multiply
    2,903.62x = 4,006.85 × 1,577.32
  4. Step 4: Simplify right side
    2,903.62x = 6,320,076.76
  5. Step 5: Solve for x
    x = 6,320,076.76/2,903.62
  6. Step 6: Final answer
    x = 2,176.62

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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.