Home / 3,020.49-4,531.75-1,266.30

Finding the Fourth Proportional to 3,020.49, 4,531.75 and 1,266.30

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Solution

The fourth proportional to 3,020.49, 4,531.75 and 1,266.30 is: 1,899.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020.49 : 4,531.75 = 1,266.30 : x
  2. Step 2: Convert to fraction form
    3,020.49/4,531.75 = 1,266.30/x
  3. Step 3: Cross multiply
    3,020.49x = 4,531.75 × 1,266.30
  4. Step 4: Simplify right side
    3,020.49x = 5,738,551.86
  5. Step 5: Solve for x
    x = 5,738,551.86/3,020.49
  6. Step 6: Final answer
    x = 1,899.87

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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.