Home / 3,877.60-5,351.36-2,284.32

Finding the Fourth Proportional to 3,877.60, 5,351.36 and 2,284.32

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Solution

The fourth proportional to 3,877.60, 5,351.36 and 2,284.32 is: 3,152.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.60 : 5,351.36 = 2,284.32 : x
  2. Step 2: Convert to fraction form
    3,877.60/5,351.36 = 2,284.32/x
  3. Step 3: Cross multiply
    3,877.60x = 5,351.36 × 2,284.32
  4. Step 4: Simplify right side
    3,877.60x = 12,224,218.68
  5. Step 5: Solve for x
    x = 12,224,218.68/3,877.60
  6. Step 6: Final answer
    x = 3,152.52

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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.