Home / 1,820.89-2,731.46-522.37

Finding the Fourth Proportional to 1,820.89, 2,731.46 and 522.37

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Solution

The fourth proportional to 1,820.89, 2,731.46 and 522.37 is: 783.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.89 : 2,731.46 = 522.37 : x
  2. Step 2: Convert to fraction form
    1,820.89/2,731.46 = 522.37/x
  3. Step 3: Cross multiply
    1,820.89x = 2,731.46 × 522.37
  4. Step 4: Simplify right side
    1,820.89x = 1,426,830.15
  5. Step 5: Solve for x
    x = 1,426,830.15/1,820.89
  6. Step 6: Final answer
    x = 783.59

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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.