Home / 2,200.36-3,300.95-1,419.99

Finding the Fourth Proportional to 2,200.36, 3,300.95 and 1,419.99

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Solution

The fourth proportional to 2,200.36, 3,300.95 and 1,419.99 is: 2,130.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.36 : 3,300.95 = 1,419.99 : x
  2. Step 2: Convert to fraction form
    2,200.36/3,300.95 = 1,419.99/x
  3. Step 3: Cross multiply
    2,200.36x = 3,300.95 × 1,419.99
  4. Step 4: Simplify right side
    2,200.36x = 4,687,315.99
  5. Step 5: Solve for x
    x = 4,687,315.99/2,200.36
  6. Step 6: Final answer
    x = 2,130.25

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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.