Home / 3,775.60-5,663.67-1,310.10

Finding the Fourth Proportional to 3,775.60, 5,663.67 and 1,310.10

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Solution

The fourth proportional to 3,775.60, 5,663.67 and 1,310.10 is: 1,965.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.60 : 5,663.67 = 1,310.10 : x
  2. Step 2: Convert to fraction form
    3,775.60/5,663.67 = 1,310.10/x
  3. Step 3: Cross multiply
    3,775.60x = 5,663.67 × 1,310.10
  4. Step 4: Simplify right side
    3,775.60x = 7,419,974.07
  5. Step 5: Solve for x
    x = 7,419,974.07/3,775.60
  6. Step 6: Final answer
    x = 1,965.24

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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.