Home / 3,669.36-5,506.44-1,721.70

Finding the Fourth Proportional to 3,669.36, 5,506.44 and 1,721.70

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Solution

The fourth proportional to 3,669.36, 5,506.44 and 1,721.70 is: 2,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.36 : 5,506.44 = 1,721.70 : x
  2. Step 2: Convert to fraction form
    3,669.36/5,506.44 = 1,721.70/x
  3. Step 3: Cross multiply
    3,669.36x = 5,506.44 × 1,721.70
  4. Step 4: Simplify right side
    3,669.36x = 9,480,437.75
  5. Step 5: Solve for x
    x = 9,480,437.75/3,669.36
  6. Step 6: Final answer
    x = 2,583.68

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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.