Home / 3,330.08-4,985.40-2,405.60

Finding the Fourth Proportional to 3,330.08, 4,985.40 and 2,405.60

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Solution

The fourth proportional to 3,330.08, 4,985.40 and 2,405.60 is: 3,601.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.08 : 4,985.40 = 2,405.60 : x
  2. Step 2: Convert to fraction form
    3,330.08/4,985.40 = 2,405.60/x
  3. Step 3: Cross multiply
    3,330.08x = 4,985.40 × 2,405.60
  4. Step 4: Simplify right side
    3,330.08x = 11,992,878.24
  5. Step 5: Solve for x
    x = 11,992,878.24/3,330.08
  6. Step 6: Final answer
    x = 3,601.38

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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.