Home / 3,419.01-4,721.09-3,261.47

Finding the Fourth Proportional to 3,419.01, 4,721.09 and 3,261.47

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Solution

The fourth proportional to 3,419.01, 4,721.09 and 3,261.47 is: 4,503.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.01 : 4,721.09 = 3,261.47 : x
  2. Step 2: Convert to fraction form
    3,419.01/4,721.09 = 3,261.47/x
  3. Step 3: Cross multiply
    3,419.01x = 4,721.09 × 3,261.47
  4. Step 4: Simplify right side
    3,419.01x = 15,397,653.49
  5. Step 5: Solve for x
    x = 15,397,653.49/3,419.01
  6. Step 6: Final answer
    x = 4,503.54

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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.