Home / 3,106.76-4,683.95-2,895.28

Finding the Fourth Proportional to 3,106.76, 4,683.95 and 2,895.28

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Solution

The fourth proportional to 3,106.76, 4,683.95 and 2,895.28 is: 4,365.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.76 : 4,683.95 = 2,895.28 : x
  2. Step 2: Convert to fraction form
    3,106.76/4,683.95 = 2,895.28/x
  3. Step 3: Cross multiply
    3,106.76x = 4,683.95 × 2,895.28
  4. Step 4: Simplify right side
    3,106.76x = 13,561,346.76
  5. Step 5: Solve for x
    x = 13,561,346.76/3,106.76
  6. Step 6: Final answer
    x = 4,365.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.