Home / 1,460.22-2,190.27-810.54

Finding the Fourth Proportional to 1,460.22, 2,190.27 and 810.54

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Solution

The fourth proportional to 1,460.22, 2,190.27 and 810.54 is: 1,215.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,460.22 : 2,190.27 = 810.54 : x
  2. Step 2: Convert to fraction form
    1,460.22/2,190.27 = 810.54/x
  3. Step 3: Cross multiply
    1,460.22x = 2,190.27 × 810.54
  4. Step 4: Simplify right side
    1,460.22x = 1,775,301.45
  5. Step 5: Solve for x
    x = 1,775,301.45/1,460.22
  6. Step 6: Final answer
    x = 1,215.78

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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.