Home / 3,545.14-4,889.80-3,072.19

Finding the Fourth Proportional to 3,545.14, 4,889.80 and 3,072.19

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Solution

The fourth proportional to 3,545.14, 4,889.80 and 3,072.19 is: 4,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.14 : 4,889.80 = 3,072.19 : x
  2. Step 2: Convert to fraction form
    3,545.14/4,889.80 = 3,072.19/x
  3. Step 3: Cross multiply
    3,545.14x = 4,889.80 × 3,072.19
  4. Step 4: Simplify right side
    3,545.14x = 15,022,394.66
  5. Step 5: Solve for x
    x = 15,022,394.66/3,545.14
  6. Step 6: Final answer
    x = 4,237.46

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1.5x scale

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.