Home / 2,938.02-4,054.46-1,611.69

Finding the Fourth Proportional to 2,938.02, 4,054.46 and 1,611.69

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Solution

The fourth proportional to 2,938.02, 4,054.46 and 1,611.69 is: 2,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938.02 : 4,054.46 = 1,611.69 : x
  2. Step 2: Convert to fraction form
    2,938.02/4,054.46 = 1,611.69/x
  3. Step 3: Cross multiply
    2,938.02x = 4,054.46 × 1,611.69
  4. Step 4: Simplify right side
    2,938.02x = 6,534,524.58
  5. Step 5: Solve for x
    x = 6,534,524.58/2,938.02
  6. Step 6: Final answer
    x = 2,224.13

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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.