Home / 2,685.48-4,028.42-1,041.32

Finding the Fourth Proportional to 2,685.48, 4,028.42 and 1,041.32

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Solution

The fourth proportional to 2,685.48, 4,028.42 and 1,041.32 is: 1,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.48 : 4,028.42 = 1,041.32 : x
  2. Step 2: Convert to fraction form
    2,685.48/4,028.42 = 1,041.32/x
  3. Step 3: Cross multiply
    2,685.48x = 4,028.42 × 1,041.32
  4. Step 4: Simplify right side
    2,685.48x = 4,194,874.31
  5. Step 5: Solve for x
    x = 4,194,874.31/2,685.48
  6. Step 6: Final answer
    x = 1,562.06

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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.