Home / 2,852.32-4,255.22-2,779.96

Finding the Fourth Proportional to 2,852.32, 4,255.22 and 2,779.96

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Solution

The fourth proportional to 2,852.32, 4,255.22 and 2,779.96 is: 4,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,852.32 : 4,255.22 = 2,779.96 : x
  2. Step 2: Convert to fraction form
    2,852.32/4,255.22 = 2,779.96/x
  3. Step 3: Cross multiply
    2,852.32x = 4,255.22 × 2,779.96
  4. Step 4: Simplify right side
    2,852.32x = 11,829,341.39
  5. Step 5: Solve for x
    x = 11,829,341.39/2,852.32
  6. Step 6: Final answer
    x = 4,147.27

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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.