Home / 1,760.12-2,642.91-1,682.21

Finding the Fourth Proportional to 1,760.12, 2,642.91 and 1,682.21

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Solution

The fourth proportional to 1,760.12, 2,642.91 and 1,682.21 is: 2,525.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.12 : 2,642.91 = 1,682.21 : x
  2. Step 2: Convert to fraction form
    1,760.12/2,642.91 = 1,682.21/x
  3. Step 3: Cross multiply
    1,760.12x = 2,642.91 × 1,682.21
  4. Step 4: Simplify right side
    1,760.12x = 4,445,929.63
  5. Step 5: Solve for x
    x = 4,445,929.63/1,760.12
  6. Step 6: Final answer
    x = 2,525.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.