Home / 4,123.10-5,689.54-2,354.67

Finding the Fourth Proportional to 4,123.10, 5,689.54 and 2,354.67

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Solution

The fourth proportional to 4,123.10, 5,689.54 and 2,354.67 is: 3,249.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.10 : 5,689.54 = 2,354.67 : x
  2. Step 2: Convert to fraction form
    4,123.10/5,689.54 = 2,354.67/x
  3. Step 3: Cross multiply
    4,123.10x = 5,689.54 × 2,354.67
  4. Step 4: Simplify right side
    4,123.10x = 13,396,992.10
  5. Step 5: Solve for x
    x = 13,396,992.10/4,123.10
  6. Step 6: Final answer
    x = 3,249.25

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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.