Home / 1,881.35-2,821.13-564.59

Finding the Fourth Proportional to 1,881.35, 2,821.13 and 564.59

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Solution

The fourth proportional to 1,881.35, 2,821.13 and 564.59 is: 846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,881.35 : 2,821.13 = 564.59 : x
  2. Step 2: Convert to fraction form
    1,881.35/2,821.13 = 564.59/x
  3. Step 3: Cross multiply
    1,881.35x = 2,821.13 × 564.59
  4. Step 4: Simplify right side
    1,881.35x = 1,592,786.02
  5. Step 5: Solve for x
    x = 1,592,786.02/1,881.35
  6. Step 6: Final answer
    x = 846.62

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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.