Home / 3,113.69-4,671.79-1,264.95

Finding the Fourth Proportional to 3,113.69, 4,671.79 and 1,264.95

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Solution

The fourth proportional to 3,113.69, 4,671.79 and 1,264.95 is: 1,897.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113.69 : 4,671.79 = 1,264.95 : x
  2. Step 2: Convert to fraction form
    3,113.69/4,671.79 = 1,264.95/x
  3. Step 3: Cross multiply
    3,113.69x = 4,671.79 × 1,264.95
  4. Step 4: Simplify right side
    3,113.69x = 5,909,577.60
  5. Step 5: Solve for x
    x = 5,909,577.60/3,113.69
  6. Step 6: Final answer
    x = 1,897.93

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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.