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Finding the Fourth Proportional to 2,880.37, 4,295.75 and 2,828.53

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Solution

The fourth proportional to 2,880.37, 4,295.75 and 2,828.53 is: 4,218.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880.37 : 4,295.75 = 2,828.53 : x
  2. Step 2: Convert to fraction form
    2,880.37/4,295.75 = 2,828.53/x
  3. Step 3: Cross multiply
    2,880.37x = 4,295.75 × 2,828.53
  4. Step 4: Simplify right side
    2,880.37x = 12,150,657.75
  5. Step 5: Solve for x
    x = 12,150,657.75/2,880.37
  6. Step 6: Final answer
    x = 4,218.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.