Home / 1,760.19-2,643.90-1,486.80

Finding the Fourth Proportional to 1,760.19, 2,643.90 and 1,486.80

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Solution

The fourth proportional to 1,760.19, 2,643.90 and 1,486.80 is: 2,233.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760.19 : 2,643.90 = 1,486.80 : x
  2. Step 2: Convert to fraction form
    1,760.19/2,643.90 = 1,486.80/x
  3. Step 3: Cross multiply
    1,760.19x = 2,643.90 × 1,486.80
  4. Step 4: Simplify right side
    1,760.19x = 3,930,950.52
  5. Step 5: Solve for x
    x = 3,930,950.52/1,760.19
  6. Step 6: Final answer
    x = 2,233.25

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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.