Home / 3,858.29-5,325.80-2,345.87

Finding the Fourth Proportional to 3,858.29, 5,325.80 and 2,345.87

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Solution

The fourth proportional to 3,858.29, 5,325.80 and 2,345.87 is: 3,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.29 : 5,325.80 = 2,345.87 : x
  2. Step 2: Convert to fraction form
    3,858.29/5,325.80 = 2,345.87/x
  3. Step 3: Cross multiply
    3,858.29x = 5,325.80 × 2,345.87
  4. Step 4: Simplify right side
    3,858.29x = 12,493,622.72
  5. Step 5: Solve for x
    x = 12,493,622.72/3,858.29
  6. Step 6: Final answer
    x = 3,238.12

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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.