Home / 3,260.03-4,490.63-3,020.82

Finding the Fourth Proportional to 3,260.03, 4,490.63 and 3,020.82

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Solution

The fourth proportional to 3,260.03, 4,490.63 and 3,020.82 is: 4,161.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.03 : 4,490.63 = 3,020.82 : x
  2. Step 2: Convert to fraction form
    3,260.03/4,490.63 = 3,020.82/x
  3. Step 3: Cross multiply
    3,260.03x = 4,490.63 × 3,020.82
  4. Step 4: Simplify right side
    3,260.03x = 13,565,364.30
  5. Step 5: Solve for x
    x = 13,565,364.30/3,260.03
  6. Step 6: Final answer
    x = 4,161.12

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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.