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Finding the Fourth Proportional to 1,459.42, 2,189.13 and 593.80

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Solution

The fourth proportional to 1,459.42, 2,189.13 and 593.80 is: 890.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.42 : 2,189.13 = 593.80 : x
  2. Step 2: Convert to fraction form
    1,459.42/2,189.13 = 593.80/x
  3. Step 3: Cross multiply
    1,459.42x = 2,189.13 × 593.80
  4. Step 4: Simplify right side
    1,459.42x = 1,299,905.39
  5. Step 5: Solve for x
    x = 1,299,905.39/1,459.42
  6. Step 6: Final answer
    x = 890.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.