Home / 3,127.02-4,313.93-1,867.67

Finding the Fourth Proportional to 3,127.02, 4,313.93 and 1,867.67

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Solution

The fourth proportional to 3,127.02, 4,313.93 and 1,867.67 is: 2,576.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.02 : 4,313.93 = 1,867.67 : x
  2. Step 2: Convert to fraction form
    3,127.02/4,313.93 = 1,867.67/x
  3. Step 3: Cross multiply
    3,127.02x = 4,313.93 × 1,867.67
  4. Step 4: Simplify right side
    3,127.02x = 8,056,997.64
  5. Step 5: Solve for x
    x = 8,056,997.64/3,127.02
  6. Step 6: Final answer
    x = 2,576.57

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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.