Home / 3,105.68-4,284.92-1,846.10

Finding the Fourth Proportional to 3,105.68, 4,284.92 and 1,846.10

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Solution

The fourth proportional to 3,105.68, 4,284.92 and 1,846.10 is: 2,547.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.68 : 4,284.92 = 1,846.10 : x
  2. Step 2: Convert to fraction form
    3,105.68/4,284.92 = 1,846.10/x
  3. Step 3: Cross multiply
    3,105.68x = 4,284.92 × 1,846.10
  4. Step 4: Simplify right side
    3,105.68x = 7,910,390.81
  5. Step 5: Solve for x
    x = 7,910,390.81/3,105.68
  6. Step 6: Final answer
    x = 2,547.07

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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.