Home / 2,900.20-4,350.40-1,051.38

Finding the Fourth Proportional to 2,900.20, 4,350.40 and 1,051.38

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Solution

The fourth proportional to 2,900.20, 4,350.40 and 1,051.38 is: 1,577.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.20 : 4,350.40 = 1,051.38 : x
  2. Step 2: Convert to fraction form
    2,900.20/4,350.40 = 1,051.38/x
  3. Step 3: Cross multiply
    2,900.20x = 4,350.40 × 1,051.38
  4. Step 4: Simplify right side
    2,900.20x = 4,573,923.55
  5. Step 5: Solve for x
    x = 4,573,923.55/2,900.20
  6. Step 6: Final answer
    x = 1,577.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.