Home / 3,699.60-5,095.08-3,618.96

Finding the Fourth Proportional to 3,699.60, 5,095.08 and 3,618.96

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Solution

The fourth proportional to 3,699.60, 5,095.08 and 3,618.96 is: 4,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.60 : 5,095.08 = 3,618.96 : x
  2. Step 2: Convert to fraction form
    3,699.60/5,095.08 = 3,618.96/x
  3. Step 3: Cross multiply
    3,699.60x = 5,095.08 × 3,618.96
  4. Step 4: Simplify right side
    3,699.60x = 18,438,890.72
  5. Step 5: Solve for x
    x = 18,438,890.72/3,699.60
  6. Step 6: Final answer
    x = 4,984.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.