Home / 1,850.05-2,552.34-1,186.80

Finding the Fourth Proportional to 1,850.05, 2,552.34 and 1,186.80

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Solution

The fourth proportional to 1,850.05, 2,552.34 and 1,186.80 is: 1,637.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,850.05 : 2,552.34 = 1,186.80 : x
  2. Step 2: Convert to fraction form
    1,850.05/2,552.34 = 1,186.80/x
  3. Step 3: Cross multiply
    1,850.05x = 2,552.34 × 1,186.80
  4. Step 4: Simplify right side
    1,850.05x = 3,029,117.11
  5. Step 5: Solve for x
    x = 3,029,117.11/1,850.05
  6. Step 6: Final answer
    x = 1,637.32

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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.