Home / 2,402.09-3,603.73-1,415.74

Finding the Fourth Proportional to 2,402.09, 3,603.73 and 1,415.74

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Solution

The fourth proportional to 2,402.09, 3,603.73 and 1,415.74 is: 2,123.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.09 : 3,603.73 = 1,415.74 : x
  2. Step 2: Convert to fraction form
    2,402.09/3,603.73 = 1,415.74/x
  3. Step 3: Cross multiply
    2,402.09x = 3,603.73 × 1,415.74
  4. Step 4: Simplify right side
    2,402.09x = 5,101,944.65
  5. Step 5: Solve for x
    x = 5,101,944.65/2,402.09
  6. Step 6: Final answer
    x = 2,123.96

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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.