Home / 3,118.35-4,677.52-1,269.05

Finding the Fourth Proportional to 3,118.35, 4,677.52 and 1,269.05

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Solution

The fourth proportional to 3,118.35, 4,677.52 and 1,269.05 is: 1,903.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.35 : 4,677.52 = 1,269.05 : x
  2. Step 2: Convert to fraction form
    3,118.35/4,677.52 = 1,269.05/x
  3. Step 3: Cross multiply
    3,118.35x = 4,677.52 × 1,269.05
  4. Step 4: Simplify right side
    3,118.35x = 5,936,015.28
  5. Step 5: Solve for x
    x = 5,936,015.28/3,118.35
  6. Step 6: Final answer
    x = 1,903.58

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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.