Home / 3,314.09-4,571.54-1,987.02

Finding the Fourth Proportional to 3,314.09, 4,571.54 and 1,987.02

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Solution

The fourth proportional to 3,314.09, 4,571.54 and 1,987.02 is: 2,740.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.09 : 4,571.54 = 1,987.02 : x
  2. Step 2: Convert to fraction form
    3,314.09/4,571.54 = 1,987.02/x
  3. Step 3: Cross multiply
    3,314.09x = 4,571.54 × 1,987.02
  4. Step 4: Simplify right side
    3,314.09x = 9,083,731.48
  5. Step 5: Solve for x
    x = 9,083,731.48/3,314.09
  6. Step 6: Final answer
    x = 2,740.94

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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.