Home / 1,820.25-2,730.44-587.57

Finding the Fourth Proportional to 1,820.25, 2,730.44 and 587.57

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Solution

The fourth proportional to 1,820.25, 2,730.44 and 587.57 is: 881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820.25 : 2,730.44 = 587.57 : x
  2. Step 2: Convert to fraction form
    1,820.25/2,730.44 = 587.57/x
  3. Step 3: Cross multiply
    1,820.25x = 2,730.44 × 587.57
  4. Step 4: Simplify right side
    1,820.25x = 1,604,312.45
  5. Step 5: Solve for x
    x = 1,604,312.45/1,820.25
  6. Step 6: Final answer
    x = 881.37

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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.