Home / 2,474.20-3,415.13-1,590.29

Finding the Fourth Proportional to 2,474.20, 3,415.13 and 1,590.29

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Solution

The fourth proportional to 2,474.20, 3,415.13 and 1,590.29 is: 2,195.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474.20 : 3,415.13 = 1,590.29 : x
  2. Step 2: Convert to fraction form
    2,474.20/3,415.13 = 1,590.29/x
  3. Step 3: Cross multiply
    2,474.20x = 3,415.13 × 1,590.29
  4. Step 4: Simplify right side
    2,474.20x = 5,431,047.09
  5. Step 5: Solve for x
    x = 5,431,047.09/2,474.20
  6. Step 6: Final answer
    x = 2,195.07

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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.