Home / 3,857.29-5,320.35-2,365.93

Finding the Fourth Proportional to 3,857.29, 5,320.35 and 2,365.93

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Solution

The fourth proportional to 3,857.29, 5,320.35 and 2,365.93 is: 3,263.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857.29 : 5,320.35 = 2,365.93 : x
  2. Step 2: Convert to fraction form
    3,857.29/5,320.35 = 2,365.93/x
  3. Step 3: Cross multiply
    3,857.29x = 5,320.35 × 2,365.93
  4. Step 4: Simplify right side
    3,857.29x = 12,587,575.68
  5. Step 5: Solve for x
    x = 12,587,575.68/3,857.29
  6. Step 6: Final answer
    x = 3,263.32

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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.