Home / 2,925.48-4,388.26-845.53

Finding the Fourth Proportional to 2,925.48, 4,388.26 and 845.53

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Solution

The fourth proportional to 2,925.48, 4,388.26 and 845.53 is: 1,268.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925.48 : 4,388.26 = 845.53 : x
  2. Step 2: Convert to fraction form
    2,925.48/4,388.26 = 845.53/x
  3. Step 3: Cross multiply
    2,925.48x = 4,388.26 × 845.53
  4. Step 4: Simplify right side
    2,925.48x = 3,710,405.48
  5. Step 5: Solve for x
    x = 3,710,405.48/2,925.48
  6. Step 6: Final answer
    x = 1,268.31

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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.