Home / 2,892.75-4,335.65-1,330.60

Finding the Fourth Proportional to 2,892.75, 4,335.65 and 1,330.60

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Solution

The fourth proportional to 2,892.75, 4,335.65 and 1,330.60 is: 1,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892.75 : 4,335.65 = 1,330.60 : x
  2. Step 2: Convert to fraction form
    2,892.75/4,335.65 = 1,330.60/x
  3. Step 3: Cross multiply
    2,892.75x = 4,335.65 × 1,330.60
  4. Step 4: Simplify right side
    2,892.75x = 5,769,026.73
  5. Step 5: Solve for x
    x = 5,769,026.73/2,892.75
  6. Step 6: Final answer
    x = 1,994.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.