Home / 3,775.31-5,660.32-1,435.45

Finding the Fourth Proportional to 3,775.31, 5,660.32 and 1,435.45

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Solution

The fourth proportional to 3,775.31, 5,660.32 and 1,435.45 is: 2,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,775.31 : 5,660.32 = 1,435.45 : x
  2. Step 2: Convert to fraction form
    3,775.31/5,660.32 = 1,435.45/x
  3. Step 3: Cross multiply
    3,775.31x = 5,660.32 × 1,435.45
  4. Step 4: Simplify right side
    3,775.31x = 8,125,106.34
  5. Step 5: Solve for x
    x = 8,125,106.34/3,775.31
  6. Step 6: Final answer
    x = 2,152.17

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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.