Home / 3,681.67-5,521.34-1,216.03

Finding the Fourth Proportional to 3,681.67, 5,521.34 and 1,216.03

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Solution

The fourth proportional to 3,681.67, 5,521.34 and 1,216.03 is: 1,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,681.67 : 5,521.34 = 1,216.03 : x
  2. Step 2: Convert to fraction form
    3,681.67/5,521.34 = 1,216.03/x
  3. Step 3: Cross multiply
    3,681.67x = 5,521.34 × 1,216.03
  4. Step 4: Simplify right side
    3,681.67x = 6,714,109.00
  5. Step 5: Solve for x
    x = 6,714,109.00/3,681.67
  6. Step 6: Final answer
    x = 1,823.66

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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.