Home / 3,103.51-4,284.60-2,384.35

Finding the Fourth Proportional to 3,103.51, 4,284.60 and 2,384.35

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Solution

The fourth proportional to 3,103.51, 4,284.60 and 2,384.35 is: 3,291.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.51 : 4,284.60 = 2,384.35 : x
  2. Step 2: Convert to fraction form
    3,103.51/4,284.60 = 2,384.35/x
  3. Step 3: Cross multiply
    3,103.51x = 4,284.60 × 2,384.35
  4. Step 4: Simplify right side
    3,103.51x = 10,215,986.01
  5. Step 5: Solve for x
    x = 10,215,986.01/3,103.51
  6. Step 6: Final answer
    x = 3,291.75

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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.