Home / 2,948.99-4,069.65-1,622.75

Finding the Fourth Proportional to 2,948.99, 4,069.65 and 1,622.75

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Solution

The fourth proportional to 2,948.99, 4,069.65 and 1,622.75 is: 2,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.99 : 4,069.65 = 1,622.75 : x
  2. Step 2: Convert to fraction form
    2,948.99/4,069.65 = 1,622.75/x
  3. Step 3: Cross multiply
    2,948.99x = 4,069.65 × 1,622.75
  4. Step 4: Simplify right side
    2,948.99x = 6,604,024.54
  5. Step 5: Solve for x
    x = 6,604,024.54/2,948.99
  6. Step 6: Final answer
    x = 2,239.42

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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.