Home / 1,973.50-2,723.43-1,228.86

Finding the Fourth Proportional to 1,973.50, 2,723.43 and 1,228.86

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Solution

The fourth proportional to 1,973.50, 2,723.43 and 1,228.86 is: 1,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.50 : 2,723.43 = 1,228.86 : x
  2. Step 2: Convert to fraction form
    1,973.50/2,723.43 = 1,228.86/x
  3. Step 3: Cross multiply
    1,973.50x = 2,723.43 × 1,228.86
  4. Step 4: Simplify right side
    1,973.50x = 3,346,714.19
  5. Step 5: Solve for x
    x = 3,346,714.19/1,973.50
  6. Step 6: Final answer
    x = 1,695.83

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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.