Home / 2,972.53-4,457.41-1,329.09

Finding the Fourth Proportional to 2,972.53, 4,457.41 and 1,329.09

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Solution

The fourth proportional to 2,972.53, 4,457.41 and 1,329.09 is: 1,993.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.53 : 4,457.41 = 1,329.09 : x
  2. Step 2: Convert to fraction form
    2,972.53/4,457.41 = 1,329.09/x
  3. Step 3: Cross multiply
    2,972.53x = 4,457.41 × 1,329.09
  4. Step 4: Simplify right side
    2,972.53x = 5,924,299.06
  5. Step 5: Solve for x
    x = 5,924,299.06/2,972.53
  6. Step 6: Final answer
    x = 1,993.02

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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.