Home / 3,485.56-4,816.43-2,539.70

Finding the Fourth Proportional to 3,485.56, 4,816.43 and 2,539.70

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Solution

The fourth proportional to 3,485.56, 4,816.43 and 2,539.70 is: 3,509.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,485.56 : 4,816.43 = 2,539.70 : x
  2. Step 2: Convert to fraction form
    3,485.56/4,816.43 = 2,539.70/x
  3. Step 3: Cross multiply
    3,485.56x = 4,816.43 × 2,539.70
  4. Step 4: Simplify right side
    3,485.56x = 12,232,287.27
  5. Step 5: Solve for x
    x = 12,232,287.27/3,485.56
  6. Step 6: Final answer
    x = 3,509.42

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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.