Home / 3,485.08-5,220.55-1,724.77

Finding the Fourth Proportional to 3,485.08, 5,220.55 and 1,724.77

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Solution

The fourth proportional to 3,485.08, 5,220.55 and 1,724.77 is: 2,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.08 : 5,220.55 = 1,724.77 : x
  2. Step 2: Convert to fraction form
    3,485.08/5,220.55 = 1,724.77/x
  3. Step 3: Cross multiply
    3,485.08x = 5,220.55 × 1,724.77
  4. Step 4: Simplify right side
    3,485.08x = 9,004,242.02
  5. Step 5: Solve for x
    x = 9,004,242.02/3,485.08
  6. Step 6: Final answer
    x = 2,583.66

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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.