Home / 2,912.54-4,365.16-2,293.80

Finding the Fourth Proportional to 2,912.54, 4,365.16 and 2,293.80

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Solution

The fourth proportional to 2,912.54, 4,365.16 and 2,293.80 is: 3,437.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.54 : 4,365.16 = 2,293.80 : x
  2. Step 2: Convert to fraction form
    2,912.54/4,365.16 = 2,293.80/x
  3. Step 3: Cross multiply
    2,912.54x = 4,365.16 × 2,293.80
  4. Step 4: Simplify right side
    2,912.54x = 10,012,770.71
  5. Step 5: Solve for x
    x = 10,012,770.71/2,912.54
  6. Step 6: Final answer
    x = 3,437.82

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1.5x scale

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.