Home / 2,945.84-4,417.08-1,212.44

Finding the Fourth Proportional to 2,945.84, 4,417.08 and 1,212.44

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Solution

The fourth proportional to 2,945.84, 4,417.08 and 1,212.44 is: 1,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.84 : 4,417.08 = 1,212.44 : x
  2. Step 2: Convert to fraction form
    2,945.84/4,417.08 = 1,212.44/x
  3. Step 3: Cross multiply
    2,945.84x = 4,417.08 × 1,212.44
  4. Step 4: Simplify right side
    2,945.84x = 5,355,444.48
  5. Step 5: Solve for x
    x = 5,355,444.48/2,945.84
  6. Step 6: Final answer
    x = 1,817.97

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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.