Home / 3,607.14-5,407.37-1,415.89

Finding the Fourth Proportional to 3,607.14, 5,407.37 and 1,415.89

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Solution

The fourth proportional to 3,607.14, 5,407.37 and 1,415.89 is: 2,122.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.14 : 5,407.37 = 1,415.89 : x
  2. Step 2: Convert to fraction form
    3,607.14/5,407.37 = 1,415.89/x
  3. Step 3: Cross multiply
    3,607.14x = 5,407.37 × 1,415.89
  4. Step 4: Simplify right side
    3,607.14x = 7,656,206.99
  5. Step 5: Solve for x
    x = 7,656,206.99/3,607.14
  6. Step 6: Final answer
    x = 2,122.51

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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.