Home / 2,475.34-3,415.80-1,777.84

Finding the Fourth Proportional to 2,475.34, 3,415.80 and 1,777.84

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Solution

The fourth proportional to 2,475.34, 3,415.80 and 1,777.84 is: 2,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.34 : 3,415.80 = 1,777.84 : x
  2. Step 2: Convert to fraction form
    2,475.34/3,415.80 = 1,777.84/x
  3. Step 3: Cross multiply
    2,475.34x = 3,415.80 × 1,777.84
  4. Step 4: Simplify right side
    2,475.34x = 6,072,745.87
  5. Step 5: Solve for x
    x = 6,072,745.87/2,475.34
  6. Step 6: Final answer
    x = 2,453.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.