Home / 3,475.84-5,216.24-1,395.72

Finding the Fourth Proportional to 3,475.84, 5,216.24 and 1,395.72

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Solution

The fourth proportional to 3,475.84, 5,216.24 and 1,395.72 is: 2,094.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.84 : 5,216.24 = 1,395.72 : x
  2. Step 2: Convert to fraction form
    3,475.84/5,216.24 = 1,395.72/x
  3. Step 3: Cross multiply
    3,475.84x = 5,216.24 × 1,395.72
  4. Step 4: Simplify right side
    3,475.84x = 7,280,410.49
  5. Step 5: Solve for x
    x = 7,280,410.49/3,475.84
  6. Step 6: Final answer
    x = 2,094.58

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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.