Home / 2,845.64-4,270.08-997.16

Finding the Fourth Proportional to 2,845.64, 4,270.08 and 997.16

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Solution

The fourth proportional to 2,845.64, 4,270.08 and 997.16 is: 1,496.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.64 : 4,270.08 = 997.16 : x
  2. Step 2: Convert to fraction form
    2,845.64/4,270.08 = 997.16/x
  3. Step 3: Cross multiply
    2,845.64x = 4,270.08 × 997.16
  4. Step 4: Simplify right side
    2,845.64x = 4,257,952.97
  5. Step 5: Solve for x
    x = 4,257,952.97/2,845.64
  6. Step 6: Final answer
    x = 1,496.31

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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.