Home / 2,853.44-4,270.43-2,391.74

Finding the Fourth Proportional to 2,853.44, 4,270.43 and 2,391.74

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Solution

The fourth proportional to 2,853.44, 4,270.43 and 2,391.74 is: 3,579.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853.44 : 4,270.43 = 2,391.74 : x
  2. Step 2: Convert to fraction form
    2,853.44/4,270.43 = 2,391.74/x
  3. Step 3: Cross multiply
    2,853.44x = 4,270.43 × 2,391.74
  4. Step 4: Simplify right side
    2,853.44x = 10,213,746.29
  5. Step 5: Solve for x
    x = 10,213,746.29/2,853.44
  6. Step 6: Final answer
    x = 3,579.45

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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.