Home / 2,990.94-4,486.42-1,043.14

Finding the Fourth Proportional to 2,990.94, 4,486.42 and 1,043.14

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Solution

The fourth proportional to 2,990.94, 4,486.42 and 1,043.14 is: 1,564.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.94 : 4,486.42 = 1,043.14 : x
  2. Step 2: Convert to fraction form
    2,990.94/4,486.42 = 1,043.14/x
  3. Step 3: Cross multiply
    2,990.94x = 4,486.42 × 1,043.14
  4. Step 4: Simplify right side
    2,990.94x = 4,679,964.16
  5. Step 5: Solve for x
    x = 4,679,964.16/2,990.94
  6. Step 6: Final answer
    x = 1,564.71

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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.