Home / 2,938.12-4,399.28-1,548.57

Finding the Fourth Proportional to 2,938.12, 4,399.28 and 1,548.57

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Solution

The fourth proportional to 2,938.12, 4,399.28 and 1,548.57 is: 2,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.12 : 4,399.28 = 1,548.57 : x
  2. Step 2: Convert to fraction form
    2,938.12/4,399.28 = 1,548.57/x
  3. Step 3: Cross multiply
    2,938.12x = 4,399.28 × 1,548.57
  4. Step 4: Simplify right side
    2,938.12x = 6,812,574.90
  5. Step 5: Solve for x
    x = 6,812,574.90/2,938.12
  6. Step 6: Final answer
    x = 2,318.69

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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.