Home / 3,485.32-5,218.80-2,446.60

Finding the Fourth Proportional to 3,485.32, 5,218.80 and 2,446.60

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Solution

The fourth proportional to 3,485.32, 5,218.80 and 2,446.60 is: 3,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.32 : 5,218.80 = 2,446.60 : x
  2. Step 2: Convert to fraction form
    3,485.32/5,218.80 = 2,446.60/x
  3. Step 3: Cross multiply
    3,485.32x = 5,218.80 × 2,446.60
  4. Step 4: Simplify right side
    3,485.32x = 12,768,316.08
  5. Step 5: Solve for x
    x = 12,768,316.08/3,485.32
  6. Step 6: Final answer
    x = 3,663.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.