Home / 3,942.29-5,915.46-2,386.01

Finding the Fourth Proportional to 3,942.29, 5,915.46 and 2,386.01

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Solution

The fourth proportional to 3,942.29, 5,915.46 and 2,386.01 is: 3,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.29 : 5,915.46 = 2,386.01 : x
  2. Step 2: Convert to fraction form
    3,942.29/5,915.46 = 2,386.01/x
  3. Step 3: Cross multiply
    3,942.29x = 5,915.46 × 2,386.01
  4. Step 4: Simplify right side
    3,942.29x = 14,114,346.71
  5. Step 5: Solve for x
    x = 14,114,346.71/3,942.29
  6. Step 6: Final answer
    x = 3,580.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.