Home / 3,877.90-5,810.64-3,775.39

Finding the Fourth Proportional to 3,877.90, 5,810.64 and 3,775.39

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Solution

The fourth proportional to 3,877.90, 5,810.64 and 3,775.39 is: 5,657.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,877.90 : 5,810.64 = 3,775.39 : x
  2. Step 2: Convert to fraction form
    3,877.90/5,810.64 = 3,775.39/x
  3. Step 3: Cross multiply
    3,877.90x = 5,810.64 × 3,775.39
  4. Step 4: Simplify right side
    3,877.90x = 21,937,432.15
  5. Step 5: Solve for x
    x = 21,937,432.15/3,877.90
  6. Step 6: Final answer
    x = 5,657.04

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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.