Home / 4,243.47-5,857.10-2,381.07

Finding the Fourth Proportional to 4,243.47, 5,857.10 and 2,381.07

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Solution

The fourth proportional to 4,243.47, 5,857.10 and 2,381.07 is: 3,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,243.47 : 5,857.10 = 2,381.07 : x
  2. Step 2: Convert to fraction form
    4,243.47/5,857.10 = 2,381.07/x
  3. Step 3: Cross multiply
    4,243.47x = 5,857.10 × 2,381.07
  4. Step 4: Simplify right side
    4,243.47x = 13,946,165.10
  5. Step 5: Solve for x
    x = 13,946,165.10/4,243.47
  6. Step 6: Final answer
    x = 3,286.50

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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.