Home / 2,220.07-3,313.22-1,974.04

Finding the Fourth Proportional to 2,220.07, 3,313.22 and 1,974.04

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Solution

The fourth proportional to 2,220.07, 3,313.22 and 1,974.04 is: 2,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.07 : 3,313.22 = 1,974.04 : x
  2. Step 2: Convert to fraction form
    2,220.07/3,313.22 = 1,974.04/x
  3. Step 3: Cross multiply
    2,220.07x = 3,313.22 × 1,974.04
  4. Step 4: Simplify right side
    2,220.07x = 6,540,428.81
  5. Step 5: Solve for x
    x = 6,540,428.81/2,220.07
  6. Step 6: Final answer
    x = 2,946.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.