Home / 2,214.64-3,323.40-1,120.24

Finding the Fourth Proportional to 2,214.64, 3,323.40 and 1,120.24

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Solution

The fourth proportional to 2,214.64, 3,323.40 and 1,120.24 is: 1,681.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.64 : 3,323.40 = 1,120.24 : x
  2. Step 2: Convert to fraction form
    2,214.64/3,323.40 = 1,120.24/x
  3. Step 3: Cross multiply
    2,214.64x = 3,323.40 × 1,120.24
  4. Step 4: Simplify right side
    2,214.64x = 3,723,005.62
  5. Step 5: Solve for x
    x = 3,723,005.62/2,214.64
  6. Step 6: Final answer
    x = 1,681.09

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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.