Home / 2,878.52-4,296.23-2,647.67

Finding the Fourth Proportional to 2,878.52, 4,296.23 and 2,647.67

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Solution

The fourth proportional to 2,878.52, 4,296.23 and 2,647.67 is: 3,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878.52 : 4,296.23 = 2,647.67 : x
  2. Step 2: Convert to fraction form
    2,878.52/4,296.23 = 2,647.67/x
  3. Step 3: Cross multiply
    2,878.52x = 4,296.23 × 2,647.67
  4. Step 4: Simplify right side
    2,878.52x = 11,374,974.49
  5. Step 5: Solve for x
    x = 11,374,974.49/2,878.52
  6. Step 6: Final answer
    x = 3,951.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.