Home / 2,948.23-4,424.97-2,215.57

Finding the Fourth Proportional to 2,948.23, 4,424.97 and 2,215.57

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Solution

The fourth proportional to 2,948.23, 4,424.97 and 2,215.57 is: 3,325.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948.23 : 4,424.97 = 2,215.57 : x
  2. Step 2: Convert to fraction form
    2,948.23/4,424.97 = 2,215.57/x
  3. Step 3: Cross multiply
    2,948.23x = 4,424.97 × 2,215.57
  4. Step 4: Simplify right side
    2,948.23x = 9,803,830.78
  5. Step 5: Solve for x
    x = 9,803,830.78/2,948.23
  6. Step 6: Final answer
    x = 3,325.33

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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.