Home / 3,577.47-5,365.43-1,820.61

Finding the Fourth Proportional to 3,577.47, 5,365.43 and 1,820.61

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Solution

The fourth proportional to 3,577.47, 5,365.43 and 1,820.61 is: 2,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.47 : 5,365.43 = 1,820.61 : x
  2. Step 2: Convert to fraction form
    3,577.47/5,365.43 = 1,820.61/x
  3. Step 3: Cross multiply
    3,577.47x = 5,365.43 × 1,820.61
  4. Step 4: Simplify right side
    3,577.47x = 9,768,346.41
  5. Step 5: Solve for x
    x = 9,768,346.41/3,577.47
  6. Step 6: Final answer
    x = 2,730.52

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1.5x scale

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.