Home / 1,430.99-2,146.62-1,122.27

Finding the Fourth Proportional to 1,430.99, 2,146.62 and 1,122.27

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Solution

The fourth proportional to 1,430.99, 2,146.62 and 1,122.27 is: 1,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430.99 : 2,146.62 = 1,122.27 : x
  2. Step 2: Convert to fraction form
    1,430.99/2,146.62 = 1,122.27/x
  3. Step 3: Cross multiply
    1,430.99x = 2,146.62 × 1,122.27
  4. Step 4: Simplify right side
    1,430.99x = 2,409,087.23
  5. Step 5: Solve for x
    x = 2,409,087.23/1,430.99
  6. Step 6: Final answer
    x = 1,683.52

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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.