Home / 1,430.22-2,140.46-1,199.37

Finding the Fourth Proportional to 1,430.22, 2,140.46 and 1,199.37

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Solution

The fourth proportional to 1,430.22, 2,140.46 and 1,199.37 is: 1,794.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.22 : 2,140.46 = 1,199.37 : x
  2. Step 2: Convert to fraction form
    1,430.22/2,140.46 = 1,199.37/x
  3. Step 3: Cross multiply
    1,430.22x = 2,140.46 × 1,199.37
  4. Step 4: Simplify right side
    1,430.22x = 2,567,203.51
  5. Step 5: Solve for x
    x = 2,567,203.51/1,430.22
  6. Step 6: Final answer
    x = 1,794.97

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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.