Home / 3,509.60-4,847.40-2,328.68

Finding the Fourth Proportional to 3,509.60, 4,847.40 and 2,328.68

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Solution

The fourth proportional to 3,509.60, 4,847.40 and 2,328.68 is: 3,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.60 : 4,847.40 = 2,328.68 : x
  2. Step 2: Convert to fraction form
    3,509.60/4,847.40 = 2,328.68/x
  3. Step 3: Cross multiply
    3,509.60x = 4,847.40 × 2,328.68
  4. Step 4: Simplify right side
    3,509.60x = 11,288,043.43
  5. Step 5: Solve for x
    x = 11,288,043.43/3,509.60
  6. Step 6: Final answer
    x = 3,216.33

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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.