Home / 3,485.88-4,809.90-2,556.60

Finding the Fourth Proportional to 3,485.88, 4,809.90 and 2,556.60

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Solution

The fourth proportional to 3,485.88, 4,809.90 and 2,556.60 is: 3,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.88 : 4,809.90 = 2,556.60 : x
  2. Step 2: Convert to fraction form
    3,485.88/4,809.90 = 2,556.60/x
  3. Step 3: Cross multiply
    3,485.88x = 4,809.90 × 2,556.60
  4. Step 4: Simplify right side
    3,485.88x = 12,296,990.34
  5. Step 5: Solve for x
    x = 12,296,990.34/3,485.88
  6. Step 6: Final answer
    x = 3,527.66

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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.