Home / 2,775.96-3,827.34-1,779.48

Finding the Fourth Proportional to 2,775.96, 3,827.34 and 1,779.48

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Solution

The fourth proportional to 2,775.96, 3,827.34 and 1,779.48 is: 2,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.96 : 3,827.34 = 1,779.48 : x
  2. Step 2: Convert to fraction form
    2,775.96/3,827.34 = 1,779.48/x
  3. Step 3: Cross multiply
    2,775.96x = 3,827.34 × 1,779.48
  4. Step 4: Simplify right side
    2,775.96x = 6,810,674.98
  5. Step 5: Solve for x
    x = 6,810,674.98/2,775.96
  6. Step 6: Final answer
    x = 2,453.45

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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.