Home / 2,820.24-3,891.50-1,701.44

Finding the Fourth Proportional to 2,820.24, 3,891.50 and 1,701.44

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Solution

The fourth proportional to 2,820.24, 3,891.50 and 1,701.44 is: 2,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.24 : 3,891.50 = 1,701.44 : x
  2. Step 2: Convert to fraction form
    2,820.24/3,891.50 = 1,701.44/x
  3. Step 3: Cross multiply
    2,820.24x = 3,891.50 × 1,701.44
  4. Step 4: Simplify right side
    2,820.24x = 6,621,153.76
  5. Step 5: Solve for x
    x = 6,621,153.76/2,820.24
  6. Step 6: Final answer
    x = 2,347.73

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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.