Home / 2,878.56-4,317.84-1,783.44

Finding the Fourth Proportional to 2,878.56, 4,317.84 and 1,783.44

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Solution

The fourth proportional to 2,878.56, 4,317.84 and 1,783.44 is: 2,675.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.56 : 4,317.84 = 1,783.44 : x
  2. Step 2: Convert to fraction form
    2,878.56/4,317.84 = 1,783.44/x
  3. Step 3: Cross multiply
    2,878.56x = 4,317.84 × 1,783.44
  4. Step 4: Simplify right side
    2,878.56x = 7,700,608.57
  5. Step 5: Solve for x
    x = 7,700,608.57/2,878.56
  6. Step 6: Final answer
    x = 2,675.16

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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.