Home / 2,925.25-4,388.65-845.22

Finding the Fourth Proportional to 2,925.25, 4,388.65 and 845.22

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Solution

The fourth proportional to 2,925.25, 4,388.65 and 845.22 is: 1,268.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.25 : 4,388.65 = 845.22 : x
  2. Step 2: Convert to fraction form
    2,925.25/4,388.65 = 845.22/x
  3. Step 3: Cross multiply
    2,925.25x = 4,388.65 × 845.22
  4. Step 4: Simplify right side
    2,925.25x = 3,709,364.41
  5. Step 5: Solve for x
    x = 3,709,364.41/2,925.25
  6. Step 6: Final answer
    x = 1,268.05

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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.