Home / 2,971.02-4,101.39-1,923.42

Finding the Fourth Proportional to 2,971.02, 4,101.39 and 1,923.42

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Solution

The fourth proportional to 2,971.02, 4,101.39 and 1,923.42 is: 2,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.02 : 4,101.39 = 1,923.42 : x
  2. Step 2: Convert to fraction form
    2,971.02/4,101.39 = 1,923.42/x
  3. Step 3: Cross multiply
    2,971.02x = 4,101.39 × 1,923.42
  4. Step 4: Simplify right side
    2,971.02x = 7,888,695.55
  5. Step 5: Solve for x
    x = 7,888,695.55/2,971.02
  6. Step 6: Final answer
    x = 2,655.21

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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.