Home / 2,948.14-4,423.20-1,964.89

Finding the Fourth Proportional to 2,948.14, 4,423.20 and 1,964.89

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Solution

The fourth proportional to 2,948.14, 4,423.20 and 1,964.89 is: 2,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.14 : 4,423.20 = 1,964.89 : x
  2. Step 2: Convert to fraction form
    2,948.14/4,423.20 = 1,964.89/x
  3. Step 3: Cross multiply
    2,948.14x = 4,423.20 × 1,964.89
  4. Step 4: Simplify right side
    2,948.14x = 8,691,101.45
  5. Step 5: Solve for x
    x = 8,691,101.45/2,948.14
  6. Step 6: Final answer
    x = 2,947.99

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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.