Home / 3,581.00-4,937.78-2,320.40

Finding the Fourth Proportional to 3,581.00, 4,937.78 and 2,320.40

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Solution

The fourth proportional to 3,581.00, 4,937.78 and 2,320.40 is: 3,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,581.00 : 4,937.78 = 2,320.40 : x
  2. Step 2: Convert to fraction form
    3,581.00/4,937.78 = 2,320.40/x
  3. Step 3: Cross multiply
    3,581.00x = 4,937.78 × 2,320.40
  4. Step 4: Simplify right side
    3,581.00x = 11,457,600.02
  5. Step 5: Solve for x
    x = 11,457,600.02/3,581.00
  6. Step 6: Final answer
    x = 3,199.56

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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.