Home / 2,930.45-4,390.15-1,447.93

Finding the Fourth Proportional to 2,930.45, 4,390.15 and 1,447.93

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Solution

The fourth proportional to 2,930.45, 4,390.15 and 1,447.93 is: 2,169.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,930.45 : 4,390.15 = 1,447.93 : x
  2. Step 2: Convert to fraction form
    2,930.45/4,390.15 = 1,447.93/x
  3. Step 3: Cross multiply
    2,930.45x = 4,390.15 × 1,447.93
  4. Step 4: Simplify right side
    2,930.45x = 6,356,629.89
  5. Step 5: Solve for x
    x = 6,356,629.89/2,930.45
  6. Step 6: Final answer
    x = 2,169.17

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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.