Home / 3,115.74-4,673.73-1,266.81

Finding the Fourth Proportional to 3,115.74, 4,673.73 and 1,266.81

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Solution

The fourth proportional to 3,115.74, 4,673.73 and 1,266.81 is: 1,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.74 : 4,673.73 = 1,266.81 : x
  2. Step 2: Convert to fraction form
    3,115.74/4,673.73 = 1,266.81/x
  3. Step 3: Cross multiply
    3,115.74x = 4,673.73 × 1,266.81
  4. Step 4: Simplify right side
    3,115.74x = 5,920,727.90
  5. Step 5: Solve for x
    x = 5,920,727.90/3,115.74
  6. Step 6: Final answer
    x = 1,900.26

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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.