Home / 2,813.04-4,214.88-2,228.40

Finding the Fourth Proportional to 2,813.04, 4,214.88 and 2,228.40

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Solution

The fourth proportional to 2,813.04, 4,214.88 and 2,228.40 is: 3,338.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,813.04 : 4,214.88 = 2,228.40 : x
  2. Step 2: Convert to fraction form
    2,813.04/4,214.88 = 2,228.40/x
  3. Step 3: Cross multiply
    2,813.04x = 4,214.88 × 2,228.40
  4. Step 4: Simplify right side
    2,813.04x = 9,392,438.59
  5. Step 5: Solve for x
    x = 9,392,438.59/2,813.04
  6. Step 6: Final answer
    x = 3,338.89

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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.