Home / 2,206.70-3,306.98-972.26

Finding the Fourth Proportional to 2,206.70, 3,306.98 and 972.26

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Solution

The fourth proportional to 2,206.70, 3,306.98 and 972.26 is: 1,457.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.70 : 3,306.98 = 972.26 : x
  2. Step 2: Convert to fraction form
    2,206.70/3,306.98 = 972.26/x
  3. Step 3: Cross multiply
    2,206.70x = 3,306.98 × 972.26
  4. Step 4: Simplify right side
    2,206.70x = 3,215,244.37
  5. Step 5: Solve for x
    x = 3,215,244.37/2,206.70
  6. Step 6: Final answer
    x = 1,457.04

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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.