Home / 2,971.42-4,447.79-2,041.54

Finding the Fourth Proportional to 2,971.42, 4,447.79 and 2,041.54

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Solution

The fourth proportional to 2,971.42, 4,447.79 and 2,041.54 is: 3,055.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.42 : 4,447.79 = 2,041.54 : x
  2. Step 2: Convert to fraction form
    2,971.42/4,447.79 = 2,041.54/x
  3. Step 3: Cross multiply
    2,971.42x = 4,447.79 × 2,041.54
  4. Step 4: Simplify right side
    2,971.42x = 9,080,341.20
  5. Step 5: Solve for x
    x = 9,080,341.20/2,971.42
  6. Step 6: Final answer
    x = 3,055.89

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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.