Home / 3,601.95-5,400.77-1,408.07

Finding the Fourth Proportional to 3,601.95, 5,400.77 and 1,408.07

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Solution

The fourth proportional to 3,601.95, 5,400.77 and 1,408.07 is: 2,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,601.95 : 5,400.77 = 1,408.07 : x
  2. Step 2: Convert to fraction form
    3,601.95/5,400.77 = 1,408.07/x
  3. Step 3: Cross multiply
    3,601.95x = 5,400.77 × 1,408.07
  4. Step 4: Simplify right side
    3,601.95x = 7,604,628.17
  5. Step 5: Solve for x
    x = 7,604,628.17/3,601.95
  6. Step 6: Final answer
    x = 2,111.25

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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.