Home / 1,461.80-2,190.27-1,028.05

Finding the Fourth Proportional to 1,461.80, 2,190.27 and 1,028.05

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Solution

The fourth proportional to 1,461.80, 2,190.27 and 1,028.05 is: 1,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461.80 : 2,190.27 = 1,028.05 : x
  2. Step 2: Convert to fraction form
    1,461.80/2,190.27 = 1,028.05/x
  3. Step 3: Cross multiply
    1,461.80x = 2,190.27 × 1,028.05
  4. Step 4: Simplify right side
    1,461.80x = 2,251,707.07
  5. Step 5: Solve for x
    x = 2,251,707.07/1,461.80
  6. Step 6: Final answer
    x = 1,540.37

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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.