Home / 3,165.08-4,369.01-2,381.40

Finding the Fourth Proportional to 3,165.08, 4,369.01 and 2,381.40

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Solution

The fourth proportional to 3,165.08, 4,369.01 and 2,381.40 is: 3,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.08 : 4,369.01 = 2,381.40 : x
  2. Step 2: Convert to fraction form
    3,165.08/4,369.01 = 2,381.40/x
  3. Step 3: Cross multiply
    3,165.08x = 4,369.01 × 2,381.40
  4. Step 4: Simplify right side
    3,165.08x = 10,404,348.51
  5. Step 5: Solve for x
    x = 10,404,348.51/3,165.08
  6. Step 6: Final answer
    x = 3,287.24

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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.