Home / 3,222.60-4,835.45-1,578.25

Finding the Fourth Proportional to 3,222.60, 4,835.45 and 1,578.25

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Solution

The fourth proportional to 3,222.60, 4,835.45 and 1,578.25 is: 2,368.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,222.60 : 4,835.45 = 1,578.25 : x
  2. Step 2: Convert to fraction form
    3,222.60/4,835.45 = 1,578.25/x
  3. Step 3: Cross multiply
    3,222.60x = 4,835.45 × 1,578.25
  4. Step 4: Simplify right side
    3,222.60x = 7,631,548.96
  5. Step 5: Solve for x
    x = 7,631,548.96/3,222.60
  6. Step 6: Final answer
    x = 2,368.13

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1.5x scale

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.