Home / 2,975.60-4,104.46-1,914.74

Finding the Fourth Proportional to 2,975.60, 4,104.46 and 1,914.74

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Solution

The fourth proportional to 2,975.60, 4,104.46 and 1,914.74 is: 2,641.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,975.60 : 4,104.46 = 1,914.74 : x
  2. Step 2: Convert to fraction form
    2,975.60/4,104.46 = 1,914.74/x
  3. Step 3: Cross multiply
    2,975.60x = 4,104.46 × 1,914.74
  4. Step 4: Simplify right side
    2,975.60x = 7,858,973.74
  5. Step 5: Solve for x
    x = 7,858,973.74/2,975.60
  6. Step 6: Final answer
    x = 2,641.14

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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.