Home / 3,696.18-5,543.08-1,230.34

Finding the Fourth Proportional to 3,696.18, 5,543.08 and 1,230.34

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Solution

The fourth proportional to 3,696.18, 5,543.08 and 1,230.34 is: 1,845.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.18 : 5,543.08 = 1,230.34 : x
  2. Step 2: Convert to fraction form
    3,696.18/5,543.08 = 1,230.34/x
  3. Step 3: Cross multiply
    3,696.18x = 5,543.08 × 1,230.34
  4. Step 4: Simplify right side
    3,696.18x = 6,819,873.43
  5. Step 5: Solve for x
    x = 6,819,873.43/3,696.18
  6. Step 6: Final answer
    x = 1,845.11

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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.