Home / 1,415.09-2,121.08-593.88

Finding the Fourth Proportional to 1,415.09, 2,121.08 and 593.88

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Solution

The fourth proportional to 1,415.09, 2,121.08 and 593.88 is: 890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.09 : 2,121.08 = 593.88 : x
  2. Step 2: Convert to fraction form
    1,415.09/2,121.08 = 593.88/x
  3. Step 3: Cross multiply
    1,415.09x = 2,121.08 × 593.88
  4. Step 4: Simplify right side
    1,415.09x = 1,259,664.02
  5. Step 5: Solve for x
    x = 1,259,664.02/1,415.09
  6. Step 6: Final answer
    x = 890.17

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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.