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Finding the Fourth Proportional to 3,322.08, 4,980.96 and 1,784.16

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Solution

The fourth proportional to 3,322.08, 4,980.96 and 1,784.16 is: 2,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,322.08 : 4,980.96 = 1,784.16 : x
  2. Step 2: Convert to fraction form
    3,322.08/4,980.96 = 1,784.16/x
  3. Step 3: Cross multiply
    3,322.08x = 4,980.96 × 1,784.16
  4. Step 4: Simplify right side
    3,322.08x = 8,886,829.59
  5. Step 5: Solve for x
    x = 8,886,829.59/3,322.08
  6. Step 6: Final answer
    x = 2,675.08

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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.