Home / 1,819.90-2,730.47-587.35

Finding the Fourth Proportional to 1,819.90, 2,730.47 and 587.35

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Solution

The fourth proportional to 1,819.90, 2,730.47 and 587.35 is: 881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819.90 : 2,730.47 = 587.35 : x
  2. Step 2: Convert to fraction form
    1,819.90/2,730.47 = 587.35/x
  3. Step 3: Cross multiply
    1,819.90x = 2,730.47 × 587.35
  4. Step 4: Simplify right side
    1,819.90x = 1,603,741.55
  5. Step 5: Solve for x
    x = 1,603,741.55/1,819.90
  6. Step 6: Final answer
    x = 881.23

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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.