Home / 3,907.37-5,856.95-1,440.62

Finding the Fourth Proportional to 3,907.37, 5,856.95 and 1,440.62

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Solution

The fourth proportional to 3,907.37, 5,856.95 and 1,440.62 is: 2,159.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.37 : 5,856.95 = 1,440.62 : x
  2. Step 2: Convert to fraction form
    3,907.37/5,856.95 = 1,440.62/x
  3. Step 3: Cross multiply
    3,907.37x = 5,856.95 × 1,440.62
  4. Step 4: Simplify right side
    3,907.37x = 8,437,610.02
  5. Step 5: Solve for x
    x = 8,437,610.02/3,907.37
  6. Step 6: Final answer
    x = 2,159.41

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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.