Home / 3,628.81-5,440.99-1,654.84

Finding the Fourth Proportional to 3,628.81, 5,440.99 and 1,654.84

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Solution

The fourth proportional to 3,628.81, 5,440.99 and 1,654.84 is: 2,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.81 : 5,440.99 = 1,654.84 : x
  2. Step 2: Convert to fraction form
    3,628.81/5,440.99 = 1,654.84/x
  3. Step 3: Cross multiply
    3,628.81x = 5,440.99 × 1,654.84
  4. Step 4: Simplify right side
    3,628.81x = 9,003,967.89
  5. Step 5: Solve for x
    x = 9,003,967.89/3,628.81
  6. Step 6: Final answer
    x = 2,481.25

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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.