Home / 3,091.10-4,636.79-1,011.10

Finding the Fourth Proportional to 3,091.10, 4,636.79 and 1,011.10

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Solution

The fourth proportional to 3,091.10, 4,636.79 and 1,011.10 is: 1,516.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.10 : 4,636.79 = 1,011.10 : x
  2. Step 2: Convert to fraction form
    3,091.10/4,636.79 = 1,011.10/x
  3. Step 3: Cross multiply
    3,091.10x = 4,636.79 × 1,011.10
  4. Step 4: Simplify right side
    3,091.10x = 4,688,230.13
  5. Step 5: Solve for x
    x = 4,688,230.13/3,091.10
  6. Step 6: Final answer
    x = 1,516.69

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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.