Home / 3,113-4,669.84-1,263.84

Finding the Fourth Proportional to 3,113, 4,669.84 and 1,263.84

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Solution

The fourth proportional to 3,113, 4,669.84 and 1,263.84 is: 1,895.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113 : 4,669.84 = 1,263.84 : x
  2. Step 2: Convert to fraction form
    3,113/4,669.84 = 1,263.84/x
  3. Step 3: Cross multiply
    3,113x = 4,669.84 × 1,263.84
  4. Step 4: Simplify right side
    3,113x = 5,901,930.59
  5. Step 5: Solve for x
    x = 5,901,930.59/3,113
  6. Step 6: Final answer
    x = 1,895.90

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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.