Home / 2,214.37-3,054.81-1,328.63

Finding the Fourth Proportional to 2,214.37, 3,054.81 and 1,328.63

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Solution

The fourth proportional to 2,214.37, 3,054.81 and 1,328.63 is: 1,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.37 : 3,054.81 = 1,328.63 : x
  2. Step 2: Convert to fraction form
    2,214.37/3,054.81 = 1,328.63/x
  3. Step 3: Cross multiply
    2,214.37x = 3,054.81 × 1,328.63
  4. Step 4: Simplify right side
    2,214.37x = 4,058,712.21
  5. Step 5: Solve for x
    x = 4,058,712.21/2,214.37
  6. Step 6: Final answer
    x = 1,832.90

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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.