Home / 3,360.46-5,036.74-1,605.80

Finding the Fourth Proportional to 3,360.46, 5,036.74 and 1,605.80

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Solution

The fourth proportional to 3,360.46, 5,036.74 and 1,605.80 is: 2,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.46 : 5,036.74 = 1,605.80 : x
  2. Step 2: Convert to fraction form
    3,360.46/5,036.74 = 1,605.80/x
  3. Step 3: Cross multiply
    3,360.46x = 5,036.74 × 1,605.80
  4. Step 4: Simplify right side
    3,360.46x = 8,087,997.09
  5. Step 5: Solve for x
    x = 8,087,997.09/3,360.46
  6. Step 6: Final answer
    x = 2,406.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.