Home / 3,421.35-4,719.63-2,300.36

Finding the Fourth Proportional to 3,421.35, 4,719.63 and 2,300.36

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Solution

The fourth proportional to 3,421.35, 4,719.63 and 2,300.36 is: 3,173.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,421.35 : 4,719.63 = 2,300.36 : x
  2. Step 2: Convert to fraction form
    3,421.35/4,719.63 = 2,300.36/x
  3. Step 3: Cross multiply
    3,421.35x = 4,719.63 × 2,300.36
  4. Step 4: Simplify right side
    3,421.35x = 10,856,824.47
  5. Step 5: Solve for x
    x = 10,856,824.47/3,421.35
  6. Step 6: Final answer
    x = 3,173.26

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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.