Home / 2,785.77-3,835.62-2,365.29

Finding the Fourth Proportional to 2,785.77, 3,835.62 and 2,365.29

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Solution

The fourth proportional to 2,785.77, 3,835.62 and 2,365.29 is: 3,256.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785.77 : 3,835.62 = 2,365.29 : x
  2. Step 2: Convert to fraction form
    2,785.77/3,835.62 = 2,365.29/x
  3. Step 3: Cross multiply
    2,785.77x = 3,835.62 × 2,365.29
  4. Step 4: Simplify right side
    2,785.77x = 9,072,353.63
  5. Step 5: Solve for x
    x = 9,072,353.63/2,785.77
  6. Step 6: Final answer
    x = 3,256.68

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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.