Home / 2,387.58-3,287.43-2,032.80

Finding the Fourth Proportional to 2,387.58, 3,287.43 and 2,032.80

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Solution

The fourth proportional to 2,387.58, 3,287.43 and 2,032.80 is: 2,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.58 : 3,287.43 = 2,032.80 : x
  2. Step 2: Convert to fraction form
    2,387.58/3,287.43 = 2,032.80/x
  3. Step 3: Cross multiply
    2,387.58x = 3,287.43 × 2,032.80
  4. Step 4: Simplify right side
    2,387.58x = 6,682,687.70
  5. Step 5: Solve for x
    x = 6,682,687.70/2,387.58
  6. Step 6: Final answer
    x = 2,798.94

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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.