Home / 3,055.07-4,219.95-2,260.02

Finding the Fourth Proportional to 3,055.07, 4,219.95 and 2,260.02

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Solution

The fourth proportional to 3,055.07, 4,219.95 and 2,260.02 is: 3,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.07 : 4,219.95 = 2,260.02 : x
  2. Step 2: Convert to fraction form
    3,055.07/4,219.95 = 2,260.02/x
  3. Step 3: Cross multiply
    3,055.07x = 4,219.95 × 2,260.02
  4. Step 4: Simplify right side
    3,055.07x = 9,537,171.40
  5. Step 5: Solve for x
    x = 9,537,171.40/3,055.07
  6. Step 6: Final answer
    x = 3,121.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.