Home / 3,018.48-4,527.68-2,091.28

Finding the Fourth Proportional to 3,018.48, 4,527.68 and 2,091.28

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Solution

The fourth proportional to 3,018.48, 4,527.68 and 2,091.28 is: 3,136.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.48 : 4,527.68 = 2,091.28 : x
  2. Step 2: Convert to fraction form
    3,018.48/4,527.68 = 2,091.28/x
  3. Step 3: Cross multiply
    3,018.48x = 4,527.68 × 2,091.28
  4. Step 4: Simplify right side
    3,018.48x = 9,468,646.63
  5. Step 5: Solve for x
    x = 9,468,646.63/3,018.48
  6. Step 6: Final answer
    x = 3,136.89

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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.