Home / 3,038.26-4,192.50-1,711.90

Finding the Fourth Proportional to 3,038.26, 4,192.50 and 1,711.90

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Solution

The fourth proportional to 3,038.26, 4,192.50 and 1,711.90 is: 2,362.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.26 : 4,192.50 = 1,711.90 : x
  2. Step 2: Convert to fraction form
    3,038.26/4,192.50 = 1,711.90/x
  3. Step 3: Cross multiply
    3,038.26x = 4,192.50 × 1,711.90
  4. Step 4: Simplify right side
    3,038.26x = 7,177,140.75
  5. Step 5: Solve for x
    x = 7,177,140.75/3,038.26
  6. Step 6: Final answer
    x = 2,362.25

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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.