Home / 2,938.07-4,054.62-1,611.86

Finding the Fourth Proportional to 2,938.07, 4,054.62 and 1,611.86

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Solution

The fourth proportional to 2,938.07, 4,054.62 and 1,611.86 is: 2,224.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.07 : 4,054.62 = 1,611.86 : x
  2. Step 2: Convert to fraction form
    2,938.07/4,054.62 = 1,611.86/x
  3. Step 3: Cross multiply
    2,938.07x = 4,054.62 × 1,611.86
  4. Step 4: Simplify right side
    2,938.07x = 6,535,451.46
  5. Step 5: Solve for x
    x = 6,535,451.46/2,938.07
  6. Step 6: Final answer
    x = 2,224.41

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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.