Home / 2,475.29-3,415.79-1,480.37

Finding the Fourth Proportional to 2,475.29, 3,415.79 and 1,480.37

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Solution

The fourth proportional to 2,475.29, 3,415.79 and 1,480.37 is: 2,042.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.29 : 3,415.79 = 1,480.37 : x
  2. Step 2: Convert to fraction form
    2,475.29/3,415.79 = 1,480.37/x
  3. Step 3: Cross multiply
    2,475.29x = 3,415.79 × 1,480.37
  4. Step 4: Simplify right side
    2,475.29x = 5,056,619.66
  5. Step 5: Solve for x
    x = 5,056,619.66/2,475.29
  6. Step 6: Final answer
    x = 2,042.84

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1.5x scale

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.