Home / 1,928.02-2,878.08-1,694.48

Finding the Fourth Proportional to 1,928.02, 2,878.08 and 1,694.48

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Solution

The fourth proportional to 1,928.02, 2,878.08 and 1,694.48 is: 2,529.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928.02 : 2,878.08 = 1,694.48 : x
  2. Step 2: Convert to fraction form
    1,928.02/2,878.08 = 1,694.48/x
  3. Step 3: Cross multiply
    1,928.02x = 2,878.08 × 1,694.48
  4. Step 4: Simplify right side
    1,928.02x = 4,876,840.53
  5. Step 5: Solve for x
    x = 4,876,840.53/1,928.02
  6. Step 6: Final answer
    x = 2,529.46

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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.