Home / 3,124.12-4,685.58-1,175.68

Finding the Fourth Proportional to 3,124.12, 4,685.58 and 1,175.68

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Solution

The fourth proportional to 3,124.12, 4,685.58 and 1,175.68 is: 1,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.12 : 4,685.58 = 1,175.68 : x
  2. Step 2: Convert to fraction form
    3,124.12/4,685.58 = 1,175.68/x
  3. Step 3: Cross multiply
    3,124.12x = 4,685.58 × 1,175.68
  4. Step 4: Simplify right side
    3,124.12x = 5,508,742.69
  5. Step 5: Solve for x
    x = 5,508,742.69/3,124.12
  6. Step 6: Final answer
    x = 1,763.29

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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.