Home / 3,036.86-4,555.45-845.58

Finding the Fourth Proportional to 3,036.86, 4,555.45 and 845.58

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Solution

The fourth proportional to 3,036.86, 4,555.45 and 845.58 is: 1,268.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.86 : 4,555.45 = 845.58 : x
  2. Step 2: Convert to fraction form
    3,036.86/4,555.45 = 845.58/x
  3. Step 3: Cross multiply
    3,036.86x = 4,555.45 × 845.58
  4. Step 4: Simplify right side
    3,036.86x = 3,851,997.41
  5. Step 5: Solve for x
    x = 3,851,997.41/3,036.86
  6. Step 6: Final answer
    x = 1,268.41

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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.