Home / 3,996.51-5,515.59-2,403.68

Finding the Fourth Proportional to 3,996.51, 5,515.59 and 2,403.68

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Solution

The fourth proportional to 3,996.51, 5,515.59 and 2,403.68 is: 3,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,996.51 : 5,515.59 = 2,403.68 : x
  2. Step 2: Convert to fraction form
    3,996.51/5,515.59 = 2,403.68/x
  3. Step 3: Cross multiply
    3,996.51x = 5,515.59 × 2,403.68
  4. Step 4: Simplify right side
    3,996.51x = 13,257,685.79
  5. Step 5: Solve for x
    x = 13,257,685.79/3,996.51
  6. Step 6: Final answer
    x = 3,317.32

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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.