Home / 3,365.18-5,070.20-3,099.50

Finding the Fourth Proportional to 3,365.18, 5,070.20 and 3,099.50

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Solution

The fourth proportional to 3,365.18, 5,070.20 and 3,099.50 is: 4,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.18 : 5,070.20 = 3,099.50 : x
  2. Step 2: Convert to fraction form
    3,365.18/5,070.20 = 3,099.50/x
  3. Step 3: Cross multiply
    3,365.18x = 5,070.20 × 3,099.50
  4. Step 4: Simplify right side
    3,365.18x = 15,715,044.05
  5. Step 5: Solve for x
    x = 15,715,044.05/3,365.18
  6. Step 6: Final answer
    x = 4,669.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.