Home / 2,948.14-4,421.94-1,000.12

Finding the Fourth Proportional to 2,948.14, 4,421.94 and 1,000.12

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Solution

The fourth proportional to 2,948.14, 4,421.94 and 1,000.12 is: 1,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.14 : 4,421.94 = 1,000.12 : x
  2. Step 2: Convert to fraction form
    2,948.14/4,421.94 = 1,000.12/x
  3. Step 3: Cross multiply
    2,948.14x = 4,421.94 × 1,000.12
  4. Step 4: Simplify right side
    2,948.14x = 4,422,470.63
  5. Step 5: Solve for x
    x = 4,422,470.63/2,948.14
  6. Step 6: Final answer
    x = 1,500.09

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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.