Home / 2,948.95-4,068.66-2,205.37

Finding the Fourth Proportional to 2,948.95, 4,068.66 and 2,205.37

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Solution

The fourth proportional to 2,948.95, 4,068.66 and 2,205.37 is: 3,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.95 : 4,068.66 = 2,205.37 : x
  2. Step 2: Convert to fraction form
    2,948.95/4,068.66 = 2,205.37/x
  3. Step 3: Cross multiply
    2,948.95x = 4,068.66 × 2,205.37
  4. Step 4: Simplify right side
    2,948.95x = 8,972,900.70
  5. Step 5: Solve for x
    x = 8,972,900.70/2,948.95
  6. Step 6: Final answer
    x = 3,042.74

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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.