Home / 3,442.84-5,164.26-2,421.40

Finding the Fourth Proportional to 3,442.84, 5,164.26 and 2,421.40

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Solution

The fourth proportional to 3,442.84, 5,164.26 and 2,421.40 is: 3,632.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,442.84 : 5,164.26 = 2,421.40 : x
  2. Step 2: Convert to fraction form
    3,442.84/5,164.26 = 2,421.40/x
  3. Step 3: Cross multiply
    3,442.84x = 5,164.26 × 2,421.40
  4. Step 4: Simplify right side
    3,442.84x = 12,504,739.16
  5. Step 5: Solve for x
    x = 12,504,739.16/3,442.84
  6. Step 6: Final answer
    x = 3,632.10

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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.