Home / 4,279.71-5,905.76-2,511.18

Finding the Fourth Proportional to 4,279.71, 5,905.76 and 2,511.18

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Solution

The fourth proportional to 4,279.71, 5,905.76 and 2,511.18 is: 3,465.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.71 : 5,905.76 = 2,511.18 : x
  2. Step 2: Convert to fraction form
    4,279.71/5,905.76 = 2,511.18/x
  3. Step 3: Cross multiply
    4,279.71x = 5,905.76 × 2,511.18
  4. Step 4: Simplify right side
    4,279.71x = 14,830,413.84
  5. Step 5: Solve for x
    x = 14,830,413.84/4,279.71
  6. Step 6: Final answer
    x = 3,465.28

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1.5x scale

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.