Home / 1,403.30-2,103.60-536.96

Finding the Fourth Proportional to 1,403.30, 2,103.60 and 536.96

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Solution

The fourth proportional to 1,403.30, 2,103.60 and 536.96 is: 804.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.30 : 2,103.60 = 536.96 : x
  2. Step 2: Convert to fraction form
    1,403.30/2,103.60 = 536.96/x
  3. Step 3: Cross multiply
    1,403.30x = 2,103.60 × 536.96
  4. Step 4: Simplify right side
    1,403.30x = 1,129,549.06
  5. Step 5: Solve for x
    x = 1,129,549.06/1,403.30
  6. Step 6: Final answer
    x = 804.92

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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.