Home / 1,513.26-2,088.33-850.19

Finding the Fourth Proportional to 1,513.26, 2,088.33 and 850.19

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Solution

The fourth proportional to 1,513.26, 2,088.33 and 850.19 is: 1,173.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.26 : 2,088.33 = 850.19 : x
  2. Step 2: Convert to fraction form
    1,513.26/2,088.33 = 850.19/x
  3. Step 3: Cross multiply
    1,513.26x = 2,088.33 × 850.19
  4. Step 4: Simplify right side
    1,513.26x = 1,775,466.84
  5. Step 5: Solve for x
    x = 1,775,466.84/1,513.26
  6. Step 6: Final answer
    x = 1,173.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.