Home / 2,948.94-4,069.53-1,622.72

Finding the Fourth Proportional to 2,948.94, 4,069.53 and 1,622.72

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Solution

The fourth proportional to 2,948.94, 4,069.53 and 1,622.72 is: 2,239.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.94 : 4,069.53 = 1,622.72 : x
  2. Step 2: Convert to fraction form
    2,948.94/4,069.53 = 1,622.72/x
  3. Step 3: Cross multiply
    2,948.94x = 4,069.53 × 1,622.72
  4. Step 4: Simplify right side
    2,948.94x = 6,603,707.72
  5. Step 5: Solve for x
    x = 6,603,707.72/2,948.94
  6. Step 6: Final answer
    x = 2,239.35

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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.