Home / 2,938.23-4,054.81-1,612

Finding the Fourth Proportional to 2,938.23, 4,054.81 and 1,612

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Solution

The fourth proportional to 2,938.23, 4,054.81 and 1,612 is: 2,224.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.23 : 4,054.81 = 1,612 : x
  2. Step 2: Convert to fraction form
    2,938.23/4,054.81 = 1,612/x
  3. Step 3: Cross multiply
    2,938.23x = 4,054.81 × 1,612
  4. Step 4: Simplify right side
    2,938.23x = 6,536,353.72
  5. Step 5: Solve for x
    x = 6,536,353.72/2,938.23
  6. Step 6: Final answer
    x = 2,224.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.