Home / 2,720.96-4,077.44-1,609.23

Finding the Fourth Proportional to 2,720.96, 4,077.44 and 1,609.23

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Solution

The fourth proportional to 2,720.96, 4,077.44 and 1,609.23 is: 2,411.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.96 : 4,077.44 = 1,609.23 : x
  2. Step 2: Convert to fraction form
    2,720.96/4,077.44 = 1,609.23/x
  3. Step 3: Cross multiply
    2,720.96x = 4,077.44 × 1,609.23
  4. Step 4: Simplify right side
    2,720.96x = 6,561,538.77
  5. Step 5: Solve for x
    x = 6,561,538.77/2,720.96
  6. Step 6: Final answer
    x = 2,411.48

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1.5x scale

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.