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Finding the Fourth Proportional to 3,242.48, 4,864.94 and 1,944.88

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Solution

The fourth proportional to 3,242.48, 4,864.94 and 1,944.88 is: 2,918.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,242.48 : 4,864.94 = 1,944.88 : x
  2. Step 2: Convert to fraction form
    3,242.48/4,864.94 = 1,944.88/x
  3. Step 3: Cross multiply
    3,242.48x = 4,864.94 × 1,944.88
  4. Step 4: Simplify right side
    3,242.48x = 9,461,724.51
  5. Step 5: Solve for x
    x = 9,461,724.51/3,242.48
  6. Step 6: Final answer
    x = 2,918.05

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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.