Home / 3,520.36-5,280.54-2,421.48

Finding the Fourth Proportional to 3,520.36, 5,280.54 and 2,421.48

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Solution

The fourth proportional to 3,520.36, 5,280.54 and 2,421.48 is: 3,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520.36 : 5,280.54 = 2,421.48 : x
  2. Step 2: Convert to fraction form
    3,520.36/5,280.54 = 2,421.48/x
  3. Step 3: Cross multiply
    3,520.36x = 5,280.54 × 2,421.48
  4. Step 4: Simplify right side
    3,520.36x = 12,786,722.00
  5. Step 5: Solve for x
    x = 12,786,722.00/3,520.36
  6. Step 6: Final answer
    x = 3,632.22

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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.