Home / 3,485.32-5,238.30-2,319.28

Finding the Fourth Proportional to 3,485.32, 5,238.30 and 2,319.28

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Solution

The fourth proportional to 3,485.32, 5,238.30 and 2,319.28 is: 3,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.32 : 5,238.30 = 2,319.28 : x
  2. Step 2: Convert to fraction form
    3,485.32/5,238.30 = 2,319.28/x
  3. Step 3: Cross multiply
    3,485.32x = 5,238.30 × 2,319.28
  4. Step 4: Simplify right side
    3,485.32x = 12,149,084.42
  5. Step 5: Solve for x
    x = 12,149,084.42/3,485.32
  6. Step 6: Final answer
    x = 3,485.79

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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.