Home / 4,270.45-5,890.80-2,695.81

Finding the Fourth Proportional to 4,270.45, 5,890.80 and 2,695.81

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Solution

The fourth proportional to 4,270.45, 5,890.80 and 2,695.81 is: 3,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.45 : 5,890.80 = 2,695.81 : x
  2. Step 2: Convert to fraction form
    4,270.45/5,890.80 = 2,695.81/x
  3. Step 3: Cross multiply
    4,270.45x = 5,890.80 × 2,695.81
  4. Step 4: Simplify right side
    4,270.45x = 15,880,477.55
  5. Step 5: Solve for x
    x = 15,880,477.55/4,270.45
  6. Step 6: Final answer
    x = 3,718.69

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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.