Home / 3,233.07-4,459.50-2,987.01

Finding the Fourth Proportional to 3,233.07, 4,459.50 and 2,987.01

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Solution

The fourth proportional to 3,233.07, 4,459.50 and 2,987.01 is: 4,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,233.07 : 4,459.50 = 2,987.01 : x
  2. Step 2: Convert to fraction form
    3,233.07/4,459.50 = 2,987.01/x
  3. Step 3: Cross multiply
    3,233.07x = 4,459.50 × 2,987.01
  4. Step 4: Simplify right side
    3,233.07x = 13,320,571.10
  5. Step 5: Solve for x
    x = 13,320,571.10/3,233.07
  6. Step 6: Final answer
    x = 4,120.10

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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.