Home / 2,509.23-3,758.01-1,985.76

Finding the Fourth Proportional to 2,509.23, 3,758.01 and 1,985.76

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Solution

The fourth proportional to 2,509.23, 3,758.01 and 1,985.76 is: 2,974.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,509.23 : 3,758.01 = 1,985.76 : x
  2. Step 2: Convert to fraction form
    2,509.23/3,758.01 = 1,985.76/x
  3. Step 3: Cross multiply
    2,509.23x = 3,758.01 × 1,985.76
  4. Step 4: Simplify right side
    2,509.23x = 7,462,505.94
  5. Step 5: Solve for x
    x = 7,462,505.94/2,509.23
  6. Step 6: Final answer
    x = 2,974.02

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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.