Home / 3,118.05-4,677.03-1,143.81

Finding the Fourth Proportional to 3,118.05, 4,677.03 and 1,143.81

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Solution

The fourth proportional to 3,118.05, 4,677.03 and 1,143.81 is: 1,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.05 : 4,677.03 = 1,143.81 : x
  2. Step 2: Convert to fraction form
    3,118.05/4,677.03 = 1,143.81/x
  3. Step 3: Cross multiply
    3,118.05x = 4,677.03 × 1,143.81
  4. Step 4: Simplify right side
    3,118.05x = 5,349,633.68
  5. Step 5: Solve for x
    x = 5,349,633.68/3,118.05
  6. Step 6: Final answer
    x = 1,715.70

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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.