Home / 3,968.88-5,477.26-2,397.08

Finding the Fourth Proportional to 3,968.88, 5,477.26 and 2,397.08

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Solution

The fourth proportional to 3,968.88, 5,477.26 and 2,397.08 is: 3,308.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.88 : 5,477.26 = 2,397.08 : x
  2. Step 2: Convert to fraction form
    3,968.88/5,477.26 = 2,397.08/x
  3. Step 3: Cross multiply
    3,968.88x = 5,477.26 × 2,397.08
  4. Step 4: Simplify right side
    3,968.88x = 13,129,430.40
  5. Step 5: Solve for x
    x = 13,129,430.40/3,968.88
  6. Step 6: Final answer
    x = 3,308.09

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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.