Home / 3,112.04-4,659.82-1,877.80

Finding the Fourth Proportional to 3,112.04, 4,659.82 and 1,877.80

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Solution

The fourth proportional to 3,112.04, 4,659.82 and 1,877.80 is: 2,811.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.04 : 4,659.82 = 1,877.80 : x
  2. Step 2: Convert to fraction form
    3,112.04/4,659.82 = 1,877.80/x
  3. Step 3: Cross multiply
    3,112.04x = 4,659.82 × 1,877.80
  4. Step 4: Simplify right side
    3,112.04x = 8,750,210.00
  5. Step 5: Solve for x
    x = 8,750,210.00/3,112.04
  6. Step 6: Final answer
    x = 2,811.73

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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.