Home / 3,091.05-4,636.17-1,530.45

Finding the Fourth Proportional to 3,091.05, 4,636.17 and 1,530.45

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Solution

The fourth proportional to 3,091.05, 4,636.17 and 1,530.45 is: 2,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.05 : 4,636.17 = 1,530.45 : x
  2. Step 2: Convert to fraction form
    3,091.05/4,636.17 = 1,530.45/x
  3. Step 3: Cross multiply
    3,091.05x = 4,636.17 × 1,530.45
  4. Step 4: Simplify right side
    3,091.05x = 7,095,426.38
  5. Step 5: Solve for x
    x = 7,095,426.38/3,091.05
  6. Step 6: Final answer
    x = 2,295.47

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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.