Home / 2,782.08-3,840.48-1,848.96

Finding the Fourth Proportional to 2,782.08, 3,840.48 and 1,848.96

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Solution

The fourth proportional to 2,782.08, 3,840.48 and 1,848.96 is: 2,552.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,782.08 : 3,840.48 = 1,848.96 : x
  2. Step 2: Convert to fraction form
    2,782.08/3,840.48 = 1,848.96/x
  3. Step 3: Cross multiply
    2,782.08x = 3,840.48 × 1,848.96
  4. Step 4: Simplify right side
    2,782.08x = 7,100,893.90
  5. Step 5: Solve for x
    x = 7,100,893.90/2,782.08
  6. Step 6: Final answer
    x = 2,552.37

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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.