Home / 3,620.58-5,420.60-2,384.26

Finding the Fourth Proportional to 3,620.58, 5,420.60 and 2,384.26

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Solution

The fourth proportional to 3,620.58, 5,420.60 and 2,384.26 is: 3,569.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620.58 : 5,420.60 = 2,384.26 : x
  2. Step 2: Convert to fraction form
    3,620.58/5,420.60 = 2,384.26/x
  3. Step 3: Cross multiply
    3,620.58x = 5,420.60 × 2,384.26
  4. Step 4: Simplify right side
    3,620.58x = 12,924,119.76
  5. Step 5: Solve for x
    x = 12,924,119.76/3,620.58
  6. Step 6: Final answer
    x = 3,569.63

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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.