Home / 2,847.36-4,271.15-899.56

Finding the Fourth Proportional to 2,847.36, 4,271.15 and 899.56

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Solution

The fourth proportional to 2,847.36, 4,271.15 and 899.56 is: 1,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.36 : 4,271.15 = 899.56 : x
  2. Step 2: Convert to fraction form
    2,847.36/4,271.15 = 899.56/x
  3. Step 3: Cross multiply
    2,847.36x = 4,271.15 × 899.56
  4. Step 4: Simplify right side
    2,847.36x = 3,842,129.84
  5. Step 5: Solve for x
    x = 3,842,129.84/2,847.36
  6. Step 6: Final answer
    x = 1,349.37

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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.