Home / 3,760.95-5,646.60-1,913.31

Finding the Fourth Proportional to 3,760.95, 5,646.60 and 1,913.31

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Solution

The fourth proportional to 3,760.95, 5,646.60 and 1,913.31 is: 2,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.95 : 5,646.60 = 1,913.31 : x
  2. Step 2: Convert to fraction form
    3,760.95/5,646.60 = 1,913.31/x
  3. Step 3: Cross multiply
    3,760.95x = 5,646.60 × 1,913.31
  4. Step 4: Simplify right side
    3,760.95x = 10,803,705.58
  5. Step 5: Solve for x
    x = 10,803,705.58/3,760.95
  6. Step 6: Final answer
    x = 2,872.60

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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.