Home / 3,485.50-4,809.87-1,892.08

Finding the Fourth Proportional to 3,485.50, 4,809.87 and 1,892.08

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Solution

The fourth proportional to 3,485.50, 4,809.87 and 1,892.08 is: 2,611.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.50 : 4,809.87 = 1,892.08 : x
  2. Step 2: Convert to fraction form
    3,485.50/4,809.87 = 1,892.08/x
  3. Step 3: Cross multiply
    3,485.50x = 4,809.87 × 1,892.08
  4. Step 4: Simplify right side
    3,485.50x = 9,100,658.83
  5. Step 5: Solve for x
    x = 9,100,658.83/3,485.50
  6. Step 6: Final answer
    x = 2,611.01

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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.