Home / 4,289.78-5,919.95-2,611.25

Finding the Fourth Proportional to 4,289.78, 5,919.95 and 2,611.25

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Solution

The fourth proportional to 4,289.78, 5,919.95 and 2,611.25 is: 3,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.78 : 5,919.95 = 2,611.25 : x
  2. Step 2: Convert to fraction form
    4,289.78/5,919.95 = 2,611.25/x
  3. Step 3: Cross multiply
    4,289.78x = 5,919.95 × 2,611.25
  4. Step 4: Simplify right side
    4,289.78x = 15,458,490.77
  5. Step 5: Solve for x
    x = 15,458,490.77/4,289.78
  6. Step 6: Final answer
    x = 3,603.57

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1.5x scale

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.