Home / 3,628.60-5,445.64-2,657.22

Finding the Fourth Proportional to 3,628.60, 5,445.64 and 2,657.22

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Solution

The fourth proportional to 3,628.60, 5,445.64 and 2,657.22 is: 3,987.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.60 : 5,445.64 = 2,657.22 : x
  2. Step 2: Convert to fraction form
    3,628.60/5,445.64 = 2,657.22/x
  3. Step 3: Cross multiply
    3,628.60x = 5,445.64 × 2,657.22
  4. Step 4: Simplify right side
    3,628.60x = 14,470,263.52
  5. Step 5: Solve for x
    x = 14,470,263.52/3,628.60
  6. Step 6: Final answer
    x = 3,987.84

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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.