Home / 2,406.10-3,319.64-1,620.60

Finding the Fourth Proportional to 2,406.10, 3,319.64 and 1,620.60

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Solution

The fourth proportional to 2,406.10, 3,319.64 and 1,620.60 is: 2,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,406.10 : 3,319.64 = 1,620.60 : x
  2. Step 2: Convert to fraction form
    2,406.10/3,319.64 = 1,620.60/x
  3. Step 3: Cross multiply
    2,406.10x = 3,319.64 × 1,620.60
  4. Step 4: Simplify right side
    2,406.10x = 5,379,808.58
  5. Step 5: Solve for x
    x = 5,379,808.58/2,406.10
  6. Step 6: Final answer
    x = 2,235.90

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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.