Home / 2,922.93-4,031.41-1,860.86

Finding the Fourth Proportional to 2,922.93, 4,031.41 and 1,860.86

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Solution

The fourth proportional to 2,922.93, 4,031.41 and 1,860.86 is: 2,566.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,922.93 : 4,031.41 = 1,860.86 : x
  2. Step 2: Convert to fraction form
    2,922.93/4,031.41 = 1,860.86/x
  3. Step 3: Cross multiply
    2,922.93x = 4,031.41 × 1,860.86
  4. Step 4: Simplify right side
    2,922.93x = 7,501,880.31
  5. Step 5: Solve for x
    x = 7,501,880.31/2,922.93
  6. Step 6: Final answer
    x = 2,566.57

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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.