Home / 2,943.14-4,427.06-2,918.43

Finding the Fourth Proportional to 2,943.14, 4,427.06 and 2,918.43

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Solution

The fourth proportional to 2,943.14, 4,427.06 and 2,918.43 is: 4,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.14 : 4,427.06 = 2,918.43 : x
  2. Step 2: Convert to fraction form
    2,943.14/4,427.06 = 2,918.43/x
  3. Step 3: Cross multiply
    2,943.14x = 4,427.06 × 2,918.43
  4. Step 4: Simplify right side
    2,943.14x = 12,920,050.12
  5. Step 5: Solve for x
    x = 12,920,050.12/2,943.14
  6. Step 6: Final answer
    x = 4,389.89

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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.