Home / 2,848.67-4,272.97-900.87

Finding the Fourth Proportional to 2,848.67, 4,272.97 and 900.87

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Solution

The fourth proportional to 2,848.67, 4,272.97 and 900.87 is: 1,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.67 : 4,272.97 = 900.87 : x
  2. Step 2: Convert to fraction form
    2,848.67/4,272.97 = 900.87/x
  3. Step 3: Cross multiply
    2,848.67x = 4,272.97 × 900.87
  4. Step 4: Simplify right side
    2,848.67x = 3,849,388.23
  5. Step 5: Solve for x
    x = 3,849,388.23/2,848.67
  6. Step 6: Final answer
    x = 1,351.30

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1.5x scale

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.