Home / 3,123.22-4,686.66-1,175.32

Finding the Fourth Proportional to 3,123.22, 4,686.66 and 1,175.32

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Solution

The fourth proportional to 3,123.22, 4,686.66 and 1,175.32 is: 1,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,123.22 : 4,686.66 = 1,175.32 : x
  2. Step 2: Convert to fraction form
    3,123.22/4,686.66 = 1,175.32/x
  3. Step 3: Cross multiply
    3,123.22x = 4,686.66 × 1,175.32
  4. Step 4: Simplify right side
    3,123.22x = 5,508,325.23
  5. Step 5: Solve for x
    x = 5,508,325.23/3,123.22
  6. Step 6: Final answer
    x = 1,763.67

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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.