Home / 3,916.79-5,405.06-2,237.93

Finding the Fourth Proportional to 3,916.79, 5,405.06 and 2,237.93

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Solution

The fourth proportional to 3,916.79, 5,405.06 and 2,237.93 is: 3,088.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.79 : 5,405.06 = 2,237.93 : x
  2. Step 2: Convert to fraction form
    3,916.79/5,405.06 = 2,237.93/x
  3. Step 3: Cross multiply
    3,916.79x = 5,405.06 × 2,237.93
  4. Step 4: Simplify right side
    3,916.79x = 12,096,107.71
  5. Step 5: Solve for x
    x = 12,096,107.71/3,916.79
  6. Step 6: Final answer
    x = 3,088.27

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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.