Home / 3,326.08-4,986.96-1,788.16

Finding the Fourth Proportional to 3,326.08, 4,986.96 and 1,788.16

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Solution

The fourth proportional to 3,326.08, 4,986.96 and 1,788.16 is: 2,681.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,326.08 : 4,986.96 = 1,788.16 : x
  2. Step 2: Convert to fraction form
    3,326.08/4,986.96 = 1,788.16/x
  3. Step 3: Cross multiply
    3,326.08x = 4,986.96 × 1,788.16
  4. Step 4: Simplify right side
    3,326.08x = 8,917,482.39
  5. Step 5: Solve for x
    x = 8,917,482.39/3,326.08
  6. Step 6: Final answer
    x = 2,681.08

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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.