Home / 3,485.75-4,808.55-2,225.48

Finding the Fourth Proportional to 3,485.75, 4,808.55 and 2,225.48

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Solution

The fourth proportional to 3,485.75, 4,808.55 and 2,225.48 is: 3,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.75 : 4,808.55 = 2,225.48 : x
  2. Step 2: Convert to fraction form
    3,485.75/4,808.55 = 2,225.48/x
  3. Step 3: Cross multiply
    3,485.75x = 4,808.55 × 2,225.48
  4. Step 4: Simplify right side
    3,485.75x = 10,701,322.55
  5. Step 5: Solve for x
    x = 10,701,322.55/3,485.75
  6. Step 6: Final answer
    x = 3,070.02

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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.