Home / 4,021.40-5,549.48-2,253.02

Finding the Fourth Proportional to 4,021.40, 5,549.48 and 2,253.02

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Solution

The fourth proportional to 4,021.40, 5,549.48 and 2,253.02 is: 3,109.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.40 : 5,549.48 = 2,253.02 : x
  2. Step 2: Convert to fraction form
    4,021.40/5,549.48 = 2,253.02/x
  3. Step 3: Cross multiply
    4,021.40x = 5,549.48 × 2,253.02
  4. Step 4: Simplify right side
    4,021.40x = 12,503,089.43
  5. Step 5: Solve for x
    x = 12,503,089.43/4,021.40
  6. Step 6: Final answer
    x = 3,109.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.