Home / 2,513.19-3,467.50-1,980.42

Finding the Fourth Proportional to 2,513.19, 3,467.50 and 1,980.42

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Solution

The fourth proportional to 2,513.19, 3,467.50 and 1,980.42 is: 2,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.19 : 3,467.50 = 1,980.42 : x
  2. Step 2: Convert to fraction form
    2,513.19/3,467.50 = 1,980.42/x
  3. Step 3: Cross multiply
    2,513.19x = 3,467.50 × 1,980.42
  4. Step 4: Simplify right side
    2,513.19x = 6,867,106.35
  5. Step 5: Solve for x
    x = 6,867,106.35/2,513.19
  6. Step 6: Final answer
    x = 2,732.43

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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.