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Finding the Fourth Proportional to 3,875.86, 5,813.74 and 954.19

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Solution

The fourth proportional to 3,875.86, 5,813.74 and 954.19 is: 1,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.86 : 5,813.74 = 954.19 : x
  2. Step 2: Convert to fraction form
    3,875.86/5,813.74 = 954.19/x
  3. Step 3: Cross multiply
    3,875.86x = 5,813.74 × 954.19
  4. Step 4: Simplify right side
    3,875.86x = 5,547,414.96
  5. Step 5: Solve for x
    x = 5,547,414.96/3,875.86
  6. Step 6: Final answer
    x = 1,431.27

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1.5x scale

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.