Home / 1,588.12-2,194.50-1,216.36

Finding the Fourth Proportional to 1,588.12, 2,194.50 and 1,216.36

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Solution

The fourth proportional to 1,588.12, 2,194.50 and 1,216.36 is: 1,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.12 : 2,194.50 = 1,216.36 : x
  2. Step 2: Convert to fraction form
    1,588.12/2,194.50 = 1,216.36/x
  3. Step 3: Cross multiply
    1,588.12x = 2,194.50 × 1,216.36
  4. Step 4: Simplify right side
    1,588.12x = 2,669,302.02
  5. Step 5: Solve for x
    x = 2,669,302.02/1,588.12
  6. Step 6: Final answer
    x = 1,680.79

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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.