Home / 2,991.15-4,486.77-1,674.15

Finding the Fourth Proportional to 2,991.15, 4,486.77 and 1,674.15

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Solution

The fourth proportional to 2,991.15, 4,486.77 and 1,674.15 is: 2,511.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991.15 : 4,486.77 = 1,674.15 : x
  2. Step 2: Convert to fraction form
    2,991.15/4,486.77 = 1,674.15/x
  3. Step 3: Cross multiply
    2,991.15x = 4,486.77 × 1,674.15
  4. Step 4: Simplify right side
    2,991.15x = 7,511,526.00
  5. Step 5: Solve for x
    x = 7,511,526.00/2,991.15
  6. Step 6: Final answer
    x = 2,511.25

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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.