Home / 2,948.95-4,069.56-1,622.62

Finding the Fourth Proportional to 2,948.95, 4,069.56 and 1,622.62

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Solution

The fourth proportional to 2,948.95, 4,069.56 and 1,622.62 is: 2,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.95 : 4,069.56 = 1,622.62 : x
  2. Step 2: Convert to fraction form
    2,948.95/4,069.56 = 1,622.62/x
  3. Step 3: Cross multiply
    2,948.95x = 4,069.56 × 1,622.62
  4. Step 4: Simplify right side
    2,948.95x = 6,603,329.10
  5. Step 5: Solve for x
    x = 6,603,329.10/2,948.95
  6. Step 6: Final answer
    x = 2,239.22

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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.