Home / 2,213.49-3,054.20-1,374.40

Finding the Fourth Proportional to 2,213.49, 3,054.20 and 1,374.40

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Solution

The fourth proportional to 2,213.49, 3,054.20 and 1,374.40 is: 1,896.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.49 : 3,054.20 = 1,374.40 : x
  2. Step 2: Convert to fraction form
    2,213.49/3,054.20 = 1,374.40/x
  3. Step 3: Cross multiply
    2,213.49x = 3,054.20 × 1,374.40
  4. Step 4: Simplify right side
    2,213.49x = 4,197,692.48
  5. Step 5: Solve for x
    x = 4,197,692.48/2,213.49
  6. Step 6: Final answer
    x = 1,896.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.