Home / 3,853.32-5,775.16-1,877.32

Finding the Fourth Proportional to 3,853.32, 5,775.16 and 1,877.32

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Solution

The fourth proportional to 3,853.32, 5,775.16 and 1,877.32 is: 2,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,853.32 : 5,775.16 = 1,877.32 : x
  2. Step 2: Convert to fraction form
    3,853.32/5,775.16 = 1,877.32/x
  3. Step 3: Cross multiply
    3,853.32x = 5,775.16 × 1,877.32
  4. Step 4: Simplify right side
    3,853.32x = 10,841,823.37
  5. Step 5: Solve for x
    x = 10,841,823.37/3,853.32
  6. Step 6: Final answer
    x = 2,813.63

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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.