Home / 2,012.96-2,779.02-1,539.96

Finding the Fourth Proportional to 2,012.96, 2,779.02 and 1,539.96

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Solution

The fourth proportional to 2,012.96, 2,779.02 and 1,539.96 is: 2,126.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012.96 : 2,779.02 = 1,539.96 : x
  2. Step 2: Convert to fraction form
    2,012.96/2,779.02 = 1,539.96/x
  3. Step 3: Cross multiply
    2,012.96x = 2,779.02 × 1,539.96
  4. Step 4: Simplify right side
    2,012.96x = 4,279,579.64
  5. Step 5: Solve for x
    x = 4,279,579.64/2,012.96
  6. Step 6: Final answer
    x = 2,126.02

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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.