Home / 3,775.32-5,663.79-1,143.05

Finding the Fourth Proportional to 3,775.32, 5,663.79 and 1,143.05

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Solution

The fourth proportional to 3,775.32, 5,663.79 and 1,143.05 is: 1,714.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.32 : 5,663.79 = 1,143.05 : x
  2. Step 2: Convert to fraction form
    3,775.32/5,663.79 = 1,143.05/x
  3. Step 3: Cross multiply
    3,775.32x = 5,663.79 × 1,143.05
  4. Step 4: Simplify right side
    3,775.32x = 6,473,966.84
  5. Step 5: Solve for x
    x = 6,473,966.84/3,775.32
  6. Step 6: Final answer
    x = 1,714.81

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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.