Home / 2,475.35-3,415.97-1,356.32

Finding the Fourth Proportional to 2,475.35, 3,415.97 and 1,356.32

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Solution

The fourth proportional to 2,475.35, 3,415.97 and 1,356.32 is: 1,871.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.35 : 3,415.97 = 1,356.32 : x
  2. Step 2: Convert to fraction form
    2,475.35/3,415.97 = 1,356.32/x
  3. Step 3: Cross multiply
    2,475.35x = 3,415.97 × 1,356.32
  4. Step 4: Simplify right side
    2,475.35x = 4,633,124.57
  5. Step 5: Solve for x
    x = 4,633,124.57/2,475.35
  6. Step 6: Final answer
    x = 1,871.71

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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.