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Finding the Fourth Proportional to 3,536.90, 5,305.35 and 904.40

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Solution

The fourth proportional to 3,536.90, 5,305.35 and 904.40 is: 1,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,536.90 : 5,305.35 = 904.40 : x
  2. Step 2: Convert to fraction form
    3,536.90/5,305.35 = 904.40/x
  3. Step 3: Cross multiply
    3,536.90x = 5,305.35 × 904.40
  4. Step 4: Simplify right side
    3,536.90x = 4,798,158.54
  5. Step 5: Solve for x
    x = 4,798,158.54/3,536.90
  6. Step 6: Final answer
    x = 1,356.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.