Home / 2,443.60-3,667.20-1,621.60

Finding the Fourth Proportional to 2,443.60, 3,667.20 and 1,621.60

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Solution

The fourth proportional to 2,443.60, 3,667.20 and 1,621.60 is: 2,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,443.60 : 3,667.20 = 1,621.60 : x
  2. Step 2: Convert to fraction form
    2,443.60/3,667.20 = 1,621.60/x
  3. Step 3: Cross multiply
    2,443.60x = 3,667.20 × 1,621.60
  4. Step 4: Simplify right side
    2,443.60x = 5,946,731.52
  5. Step 5: Solve for x
    x = 5,946,731.52/2,443.60
  6. Step 6: Final answer
    x = 2,433.59

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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.