Home / 4,122.47-5,688.96-2,354.51

Finding the Fourth Proportional to 4,122.47, 5,688.96 and 2,354.51

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Solution

The fourth proportional to 4,122.47, 5,688.96 and 2,354.51 is: 3,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.47 : 5,688.96 = 2,354.51 : x
  2. Step 2: Convert to fraction form
    4,122.47/5,688.96 = 2,354.51/x
  3. Step 3: Cross multiply
    4,122.47x = 5,688.96 × 2,354.51
  4. Step 4: Simplify right side
    4,122.47x = 13,394,713.21
  5. Step 5: Solve for x
    x = 13,394,713.21/4,122.47
  6. Step 6: Final answer
    x = 3,249.20

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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.