Home / 3,987.06-5,980.41-1,523.04

Finding the Fourth Proportional to 3,987.06, 5,980.41 and 1,523.04

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Solution

The fourth proportional to 3,987.06, 5,980.41 and 1,523.04 is: 2,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987.06 : 5,980.41 = 1,523.04 : x
  2. Step 2: Convert to fraction form
    3,987.06/5,980.41 = 1,523.04/x
  3. Step 3: Cross multiply
    3,987.06x = 5,980.41 × 1,523.04
  4. Step 4: Simplify right side
    3,987.06x = 9,108,403.65
  5. Step 5: Solve for x
    x = 9,108,403.65/3,987.06
  6. Step 6: Final answer
    x = 2,284.49

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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.