Home / 3,916.26-5,875.32-1,575.90

Finding the Fourth Proportional to 3,916.26, 5,875.32 and 1,575.90

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Solution

The fourth proportional to 3,916.26, 5,875.32 and 1,575.90 is: 2,364.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.26 : 5,875.32 = 1,575.90 : x
  2. Step 2: Convert to fraction form
    3,916.26/5,875.32 = 1,575.90/x
  3. Step 3: Cross multiply
    3,916.26x = 5,875.32 × 1,575.90
  4. Step 4: Simplify right side
    3,916.26x = 9,258,916.79
  5. Step 5: Solve for x
    x = 9,258,916.79/3,916.26
  6. Step 6: Final answer
    x = 2,364.22

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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.