Home / 3,114.86-4,671.99-1,266.09

Finding the Fourth Proportional to 3,114.86, 4,671.99 and 1,266.09

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Solution

The fourth proportional to 3,114.86, 4,671.99 and 1,266.09 is: 1,899.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.86 : 4,671.99 = 1,266.09 : x
  2. Step 2: Convert to fraction form
    3,114.86/4,671.99 = 1,266.09/x
  3. Step 3: Cross multiply
    3,114.86x = 4,671.99 × 1,266.09
  4. Step 4: Simplify right side
    3,114.86x = 5,915,148.14
  5. Step 5: Solve for x
    x = 5,915,148.14/3,114.86
  6. Step 6: Final answer
    x = 1,899.01

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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.