Home / 2,847.20-4,271.04-899.36

Finding the Fourth Proportional to 2,847.20, 4,271.04 and 899.36

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Solution

The fourth proportional to 2,847.20, 4,271.04 and 899.36 is: 1,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.20 : 4,271.04 = 899.36 : x
  2. Step 2: Convert to fraction form
    2,847.20/4,271.04 = 899.36/x
  3. Step 3: Cross multiply
    2,847.20x = 4,271.04 × 899.36
  4. Step 4: Simplify right side
    2,847.20x = 3,841,202.53
  5. Step 5: Solve for x
    x = 3,841,202.53/2,847.20
  6. Step 6: Final answer
    x = 1,349.12

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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.