Home / 1,513.32-2,088.33-850.20

Finding the Fourth Proportional to 1,513.32, 2,088.33 and 850.20

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Solution

The fourth proportional to 1,513.32, 2,088.33 and 850.20 is: 1,173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513.32 : 2,088.33 = 850.20 : x
  2. Step 2: Convert to fraction form
    1,513.32/2,088.33 = 850.20/x
  3. Step 3: Cross multiply
    1,513.32x = 2,088.33 × 850.20
  4. Step 4: Simplify right side
    1,513.32x = 1,775,498.17
  5. Step 5: Solve for x
    x = 1,775,498.17/1,513.32
  6. Step 6: Final answer
    x = 1,173.25

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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.