Home / 3,285.72-4,915.80-3,009.93

Finding the Fourth Proportional to 3,285.72, 4,915.80 and 3,009.93

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Solution

The fourth proportional to 3,285.72, 4,915.80 and 3,009.93 is: 4,503.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,285.72 : 4,915.80 = 3,009.93 : x
  2. Step 2: Convert to fraction form
    3,285.72/4,915.80 = 3,009.93/x
  3. Step 3: Cross multiply
    3,285.72x = 4,915.80 × 3,009.93
  4. Step 4: Simplify right side
    3,285.72x = 14,796,213.89
  5. Step 5: Solve for x
    x = 14,796,213.89/3,285.72
  6. Step 6: Final answer
    x = 4,503.19

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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.