Home / 2,907.07-4,356.95-1,443.60

Finding the Fourth Proportional to 2,907.07, 4,356.95 and 1,443.60

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Solution

The fourth proportional to 2,907.07, 4,356.95 and 1,443.60 is: 2,163.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.07 : 4,356.95 = 1,443.60 : x
  2. Step 2: Convert to fraction form
    2,907.07/4,356.95 = 1,443.60/x
  3. Step 3: Cross multiply
    2,907.07x = 4,356.95 × 1,443.60
  4. Step 4: Simplify right side
    2,907.07x = 6,289,693.02
  5. Step 5: Solve for x
    x = 6,289,693.02/2,907.07
  6. Step 6: Final answer
    x = 2,163.58

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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.