Home / 3,903.50-5,386.92-2,412.44

Finding the Fourth Proportional to 3,903.50, 5,386.92 and 2,412.44

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Solution

The fourth proportional to 3,903.50, 5,386.92 and 2,412.44 is: 3,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,903.50 : 5,386.92 = 2,412.44 : x
  2. Step 2: Convert to fraction form
    3,903.50/5,386.92 = 2,412.44/x
  3. Step 3: Cross multiply
    3,903.50x = 5,386.92 × 2,412.44
  4. Step 4: Simplify right side
    3,903.50x = 12,995,621.28
  5. Step 5: Solve for x
    x = 12,995,621.28/3,903.50
  6. Step 6: Final answer
    x = 3,329.22

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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.