Home / 1,415.23-2,123.37-593.43

Finding the Fourth Proportional to 1,415.23, 2,123.37 and 593.43

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Solution

The fourth proportional to 1,415.23, 2,123.37 and 593.43 is: 890.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.23 : 2,123.37 = 593.43 : x
  2. Step 2: Convert to fraction form
    1,415.23/2,123.37 = 593.43/x
  3. Step 3: Cross multiply
    1,415.23x = 2,123.37 × 593.43
  4. Step 4: Simplify right side
    1,415.23x = 1,260,071.46
  5. Step 5: Solve for x
    x = 1,260,071.46/1,415.23
  6. Step 6: Final answer
    x = 890.37

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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.