Home / 2,847.24-4,271.62-899.48

Finding the Fourth Proportional to 2,847.24, 4,271.62 and 899.48

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Solution

The fourth proportional to 2,847.24, 4,271.62 and 899.48 is: 1,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.24 : 4,271.62 = 899.48 : x
  2. Step 2: Convert to fraction form
    2,847.24/4,271.62 = 899.48/x
  3. Step 3: Cross multiply
    2,847.24x = 4,271.62 × 899.48
  4. Step 4: Simplify right side
    2,847.24x = 3,842,236.76
  5. Step 5: Solve for x
    x = 3,842,236.76/2,847.24
  6. Step 6: Final answer
    x = 1,349.46

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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.