Home / 1,860.35-2,568.20-1,273.95

Finding the Fourth Proportional to 1,860.35, 2,568.20 and 1,273.95

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Solution

The fourth proportional to 1,860.35, 2,568.20 and 1,273.95 is: 1,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.35 : 2,568.20 = 1,273.95 : x
  2. Step 2: Convert to fraction form
    1,860.35/2,568.20 = 1,273.95/x
  3. Step 3: Cross multiply
    1,860.35x = 2,568.20 × 1,273.95
  4. Step 4: Simplify right side
    1,860.35x = 3,271,752.02
  5. Step 5: Solve for x
    x = 3,271,752.02/1,860.35
  6. Step 6: Final answer
    x = 1,758.68

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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.