Home / 2,041.92-3,061.44-1,220.16

Finding the Fourth Proportional to 2,041.92, 3,061.44 and 1,220.16

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Solution

The fourth proportional to 2,041.92, 3,061.44 and 1,220.16 is: 1,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,041.92 : 3,061.44 = 1,220.16 : x
  2. Step 2: Convert to fraction form
    2,041.92/3,061.44 = 1,220.16/x
  3. Step 3: Cross multiply
    2,041.92x = 3,061.44 × 1,220.16
  4. Step 4: Simplify right side
    2,041.92x = 3,735,446.63
  5. Step 5: Solve for x
    x = 3,735,446.63/2,041.92
  6. Step 6: Final answer
    x = 1,829.38

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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.