Home / 2,094.60-2,890.55-1,431.44

Finding the Fourth Proportional to 2,094.60, 2,890.55 and 1,431.44

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Solution

The fourth proportional to 2,094.60, 2,890.55 and 1,431.44 is: 1,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.60 : 2,890.55 = 1,431.44 : x
  2. Step 2: Convert to fraction form
    2,094.60/2,890.55 = 1,431.44/x
  3. Step 3: Cross multiply
    2,094.60x = 2,890.55 × 1,431.44
  4. Step 4: Simplify right side
    2,094.60x = 4,137,627.28
  5. Step 5: Solve for x
    x = 4,137,627.28/2,094.60
  6. Step 6: Final answer
    x = 1,975.38

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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.