Home / 3,515.65-4,845.88-2,571.60

Finding the Fourth Proportional to 3,515.65, 4,845.88 and 2,571.60

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Solution

The fourth proportional to 3,515.65, 4,845.88 and 2,571.60 is: 3,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.65 : 4,845.88 = 2,571.60 : x
  2. Step 2: Convert to fraction form
    3,515.65/4,845.88 = 2,571.60/x
  3. Step 3: Cross multiply
    3,515.65x = 4,845.88 × 2,571.60
  4. Step 4: Simplify right side
    3,515.65x = 12,461,644.67
  5. Step 5: Solve for x
    x = 12,461,644.67/3,515.65
  6. Step 6: Final answer
    x = 3,544.62

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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.