Home / 2,889.20-4,334.40-941.55

Finding the Fourth Proportional to 2,889.20, 4,334.40 and 941.55

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Solution

The fourth proportional to 2,889.20, 4,334.40 and 941.55 is: 1,412.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.20 : 4,334.40 = 941.55 : x
  2. Step 2: Convert to fraction form
    2,889.20/4,334.40 = 941.55/x
  3. Step 3: Cross multiply
    2,889.20x = 4,334.40 × 941.55
  4. Step 4: Simplify right side
    2,889.20x = 4,081,054.32
  5. Step 5: Solve for x
    x = 4,081,054.32/2,889.20
  6. Step 6: Final answer
    x = 1,412.52

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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.