Home / 3,420.33-4,720.95-2,228.59

Finding the Fourth Proportional to 3,420.33, 4,720.95 and 2,228.59

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Solution

The fourth proportional to 3,420.33, 4,720.95 and 2,228.59 is: 3,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.33 : 4,720.95 = 2,228.59 : x
  2. Step 2: Convert to fraction form
    3,420.33/4,720.95 = 2,228.59/x
  3. Step 3: Cross multiply
    3,420.33x = 4,720.95 × 2,228.59
  4. Step 4: Simplify right side
    3,420.33x = 10,521,050.16
  5. Step 5: Solve for x
    x = 10,521,050.16/3,420.33
  6. Step 6: Final answer
    x = 3,076.03

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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.