Home / 2,889.56-4,334.88-1,425.08

Finding the Fourth Proportional to 2,889.56, 4,334.88 and 1,425.08

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Solution

The fourth proportional to 2,889.56, 4,334.88 and 1,425.08 is: 2,137.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889.56 : 4,334.88 = 1,425.08 : x
  2. Step 2: Convert to fraction form
    2,889.56/4,334.88 = 1,425.08/x
  3. Step 3: Cross multiply
    2,889.56x = 4,334.88 × 1,425.08
  4. Step 4: Simplify right side
    2,889.56x = 6,177,550.79
  5. Step 5: Solve for x
    x = 6,177,550.79/2,889.56
  6. Step 6: Final answer
    x = 2,137.89

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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.