Home / 1,415.25-2,123.55-593.49

Finding the Fourth Proportional to 1,415.25, 2,123.55 and 593.49

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Solution

The fourth proportional to 1,415.25, 2,123.55 and 593.49 is: 890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415.25 : 2,123.55 = 593.49 : x
  2. Step 2: Convert to fraction form
    1,415.25/2,123.55 = 593.49/x
  3. Step 3: Cross multiply
    1,415.25x = 2,123.55 × 593.49
  4. Step 4: Simplify right side
    1,415.25x = 1,260,305.69
  5. Step 5: Solve for x
    x = 1,260,305.69/1,415.25
  6. Step 6: Final answer
    x = 890.52

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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.