Home / 2,767.20-3,818.40-1,525.12

Finding the Fourth Proportional to 2,767.20, 3,818.40 and 1,525.12

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Solution

The fourth proportional to 2,767.20, 3,818.40 and 1,525.12 is: 2,104.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767.20 : 3,818.40 = 1,525.12 : x
  2. Step 2: Convert to fraction form
    2,767.20/3,818.40 = 1,525.12/x
  3. Step 3: Cross multiply
    2,767.20x = 3,818.40 × 1,525.12
  4. Step 4: Simplify right side
    2,767.20x = 5,823,518.21
  5. Step 5: Solve for x
    x = 5,823,518.21/2,767.20
  6. Step 6: Final answer
    x = 2,104.48

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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.