Home / 4,109.40-5,669.13-2,538.39

Finding the Fourth Proportional to 4,109.40, 5,669.13 and 2,538.39

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Solution

The fourth proportional to 4,109.40, 5,669.13 and 2,538.39 is: 3,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.40 : 5,669.13 = 2,538.39 : x
  2. Step 2: Convert to fraction form
    4,109.40/5,669.13 = 2,538.39/x
  3. Step 3: Cross multiply
    4,109.40x = 5,669.13 × 2,538.39
  4. Step 4: Simplify right side
    4,109.40x = 14,390,462.90
  5. Step 5: Solve for x
    x = 14,390,462.90/4,109.40
  6. Step 6: Final answer
    x = 3,501.84

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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.