Home / 2,948.58-4,422.87-2,086.74

Finding the Fourth Proportional to 2,948.58, 4,422.87 and 2,086.74

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Solution

The fourth proportional to 2,948.58, 4,422.87 and 2,086.74 is: 3,130.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.58 : 4,422.87 = 2,086.74 : x
  2. Step 2: Convert to fraction form
    2,948.58/4,422.87 = 2,086.74/x
  3. Step 3: Cross multiply
    2,948.58x = 4,422.87 × 2,086.74
  4. Step 4: Simplify right side
    2,948.58x = 9,229,379.74
  5. Step 5: Solve for x
    x = 9,229,379.74/2,948.58
  6. Step 6: Final answer
    x = 3,130.11

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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.