Home / 2,848.10-4,272.35-900.28

Finding the Fourth Proportional to 2,848.10, 4,272.35 and 900.28

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Solution

The fourth proportional to 2,848.10, 4,272.35 and 900.28 is: 1,350.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.10 : 4,272.35 = 900.28 : x
  2. Step 2: Convert to fraction form
    2,848.10/4,272.35 = 900.28/x
  3. Step 3: Cross multiply
    2,848.10x = 4,272.35 × 900.28
  4. Step 4: Simplify right side
    2,848.10x = 3,846,311.26
  5. Step 5: Solve for x
    x = 3,846,311.26/2,848.10
  6. Step 6: Final answer
    x = 1,350.48

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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.