Home / 2,971.87-4,099.84-1,712.59

Finding the Fourth Proportional to 2,971.87, 4,099.84 and 1,712.59

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Solution

The fourth proportional to 2,971.87, 4,099.84 and 1,712.59 is: 2,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,971.87 : 4,099.84 = 1,712.59 : x
  2. Step 2: Convert to fraction form
    2,971.87/4,099.84 = 1,712.59/x
  3. Step 3: Cross multiply
    2,971.87x = 4,099.84 × 1,712.59
  4. Step 4: Simplify right side
    2,971.87x = 7,021,344.99
  5. Step 5: Solve for x
    x = 7,021,344.99/2,971.87
  6. Step 6: Final answer
    x = 2,362.60

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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.