Home / 3,103.68-4,284.18-2,056.08

Finding the Fourth Proportional to 3,103.68, 4,284.18 and 2,056.08

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Solution

The fourth proportional to 3,103.68, 4,284.18 and 2,056.08 is: 2,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.68 : 4,284.18 = 2,056.08 : x
  2. Step 2: Convert to fraction form
    3,103.68/4,284.18 = 2,056.08/x
  3. Step 3: Cross multiply
    3,103.68x = 4,284.18 × 2,056.08
  4. Step 4: Simplify right side
    3,103.68x = 8,808,616.81
  5. Step 5: Solve for x
    x = 8,808,616.81/3,103.68
  6. Step 6: Final answer
    x = 2,838.12

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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.