Home / 1,829.79-2,520.04-1,581.03

Finding the Fourth Proportional to 1,829.79, 2,520.04 and 1,581.03

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Solution

The fourth proportional to 1,829.79, 2,520.04 and 1,581.03 is: 2,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.79 : 2,520.04 = 1,581.03 : x
  2. Step 2: Convert to fraction form
    1,829.79/2,520.04 = 1,581.03/x
  3. Step 3: Cross multiply
    1,829.79x = 2,520.04 × 1,581.03
  4. Step 4: Simplify right side
    1,829.79x = 3,984,258.84
  5. Step 5: Solve for x
    x = 3,984,258.84/1,829.79
  6. Step 6: Final answer
    x = 2,177.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.