Home / 2,512.50-3,467.25-1,465.20

Finding the Fourth Proportional to 2,512.50, 3,467.25 and 1,465.20

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Solution

The fourth proportional to 2,512.50, 3,467.25 and 1,465.20 is: 2,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.50 : 3,467.25 = 1,465.20 : x
  2. Step 2: Convert to fraction form
    2,512.50/3,467.25 = 1,465.20/x
  3. Step 3: Cross multiply
    2,512.50x = 3,467.25 × 1,465.20
  4. Step 4: Simplify right side
    2,512.50x = 5,080,214.70
  5. Step 5: Solve for x
    x = 5,080,214.70/2,512.50
  6. Step 6: Final answer
    x = 2,021.98

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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.