Home / 2,971.16-4,098.84-1,923.56

Finding the Fourth Proportional to 2,971.16, 4,098.84 and 1,923.56

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Solution

The fourth proportional to 2,971.16, 4,098.84 and 1,923.56 is: 2,653.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.16 : 4,098.84 = 1,923.56 : x
  2. Step 2: Convert to fraction form
    2,971.16/4,098.84 = 1,923.56/x
  3. Step 3: Cross multiply
    2,971.16x = 4,098.84 × 1,923.56
  4. Step 4: Simplify right side
    2,971.16x = 7,884,364.67
  5. Step 5: Solve for x
    x = 7,884,364.67/2,971.16
  6. Step 6: Final answer
    x = 2,653.63

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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.