Home / 3,038.69-4,554.38-1,392.98

Finding the Fourth Proportional to 3,038.69, 4,554.38 and 1,392.98

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Solution

The fourth proportional to 3,038.69, 4,554.38 and 1,392.98 is: 2,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.69 : 4,554.38 = 1,392.98 : x
  2. Step 2: Convert to fraction form
    3,038.69/4,554.38 = 1,392.98/x
  3. Step 3: Cross multiply
    3,038.69x = 4,554.38 × 1,392.98
  4. Step 4: Simplify right side
    3,038.69x = 6,344,140.96
  5. Step 5: Solve for x
    x = 6,344,140.96/3,038.69
  6. Step 6: Final answer
    x = 2,087.79

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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.