Home / 2,989.08-4,484.34-1,449.72

Finding the Fourth Proportional to 2,989.08, 4,484.34 and 1,449.72

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Solution

The fourth proportional to 2,989.08, 4,484.34 and 1,449.72 is: 2,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.08 : 4,484.34 = 1,449.72 : x
  2. Step 2: Convert to fraction form
    2,989.08/4,484.34 = 1,449.72/x
  3. Step 3: Cross multiply
    2,989.08x = 4,484.34 × 1,449.72
  4. Step 4: Simplify right side
    2,989.08x = 6,501,037.38
  5. Step 5: Solve for x
    x = 6,501,037.38/2,989.08
  6. Step 6: Final answer
    x = 2,174.93

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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.