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Finding the Fourth Proportional to 3,506.88, 4,838.88 and 2,577.60

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Solution

The fourth proportional to 3,506.88, 4,838.88 and 2,577.60 is: 3,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.88 : 4,838.88 = 2,577.60 : x
  2. Step 2: Convert to fraction form
    3,506.88/4,838.88 = 2,577.60/x
  3. Step 3: Cross multiply
    3,506.88x = 4,838.88 × 2,577.60
  4. Step 4: Simplify right side
    3,506.88x = 12,472,697.09
  5. Step 5: Solve for x
    x = 12,472,697.09/3,506.88
  6. Step 6: Final answer
    x = 3,556.64

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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.