Home / 3,331.69-4,597.66-1,915.34

Finding the Fourth Proportional to 3,331.69, 4,597.66 and 1,915.34

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Solution

The fourth proportional to 3,331.69, 4,597.66 and 1,915.34 is: 2,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.69 : 4,597.66 = 1,915.34 : x
  2. Step 2: Convert to fraction form
    3,331.69/4,597.66 = 1,915.34/x
  3. Step 3: Cross multiply
    3,331.69x = 4,597.66 × 1,915.34
  4. Step 4: Simplify right side
    3,331.69x = 8,806,087.37
  5. Step 5: Solve for x
    x = 8,806,087.37/3,331.69
  6. Step 6: Final answer
    x = 2,643.13

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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.