Home / 3,941.25-5,438.69-2,349.69

Finding the Fourth Proportional to 3,941.25, 5,438.69 and 2,349.69

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Solution

The fourth proportional to 3,941.25, 5,438.69 and 2,349.69 is: 3,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.25 : 5,438.69 = 2,349.69 : x
  2. Step 2: Convert to fraction form
    3,941.25/5,438.69 = 2,349.69/x
  3. Step 3: Cross multiply
    3,941.25x = 5,438.69 × 2,349.69
  4. Step 4: Simplify right side
    3,941.25x = 12,779,235.51
  5. Step 5: Solve for x
    x = 12,779,235.51/3,941.25
  6. Step 6: Final answer
    x = 3,242.43

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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.