Home / 2,954.24-4,423.96-2,118.45

Finding the Fourth Proportional to 2,954.24, 4,423.96 and 2,118.45

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Solution

The fourth proportional to 2,954.24, 4,423.96 and 2,118.45 is: 3,172.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.24 : 4,423.96 = 2,118.45 : x
  2. Step 2: Convert to fraction form
    2,954.24/4,423.96 = 2,118.45/x
  3. Step 3: Cross multiply
    2,954.24x = 4,423.96 × 2,118.45
  4. Step 4: Simplify right side
    2,954.24x = 9,371,938.06
  5. Step 5: Solve for x
    x = 9,371,938.06/2,954.24
  6. Step 6: Final answer
    x = 3,172.37

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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.