Home / 2,474.23-3,415.31-1,530.75

Finding the Fourth Proportional to 2,474.23, 3,415.31 and 1,530.75

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Solution

The fourth proportional to 2,474.23, 3,415.31 and 1,530.75 is: 2,112.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.23 : 3,415.31 = 1,530.75 : x
  2. Step 2: Convert to fraction form
    2,474.23/3,415.31 = 1,530.75/x
  3. Step 3: Cross multiply
    2,474.23x = 3,415.31 × 1,530.75
  4. Step 4: Simplify right side
    2,474.23x = 5,227,985.78
  5. Step 5: Solve for x
    x = 5,227,985.78/2,474.23
  6. Step 6: Final answer
    x = 2,112.97

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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.