Home / 2,387.88-3,291.48-1,882.91

Finding the Fourth Proportional to 2,387.88, 3,291.48 and 1,882.91

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Solution

The fourth proportional to 2,387.88, 3,291.48 and 1,882.91 is: 2,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387.88 : 3,291.48 = 1,882.91 : x
  2. Step 2: Convert to fraction form
    2,387.88/3,291.48 = 1,882.91/x
  3. Step 3: Cross multiply
    2,387.88x = 3,291.48 × 1,882.91
  4. Step 4: Simplify right side
    2,387.88x = 6,197,568.84
  5. Step 5: Solve for x
    x = 6,197,568.84/2,387.88
  6. Step 6: Final answer
    x = 2,595.43

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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.