Home / 2,955.42-4,427.91-2,779.84

Finding the Fourth Proportional to 2,955.42, 4,427.91 and 2,779.84

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Solution

The fourth proportional to 2,955.42, 4,427.91 and 2,779.84 is: 4,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.42 : 4,427.91 = 2,779.84 : x
  2. Step 2: Convert to fraction form
    2,955.42/4,427.91 = 2,779.84/x
  3. Step 3: Cross multiply
    2,955.42x = 4,427.91 × 2,779.84
  4. Step 4: Simplify right side
    2,955.42x = 12,308,881.33
  5. Step 5: Solve for x
    x = 12,308,881.33/2,955.42
  6. Step 6: Final answer
    x = 4,164.85

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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.