Home / 1,445.60-2,168.46-1,203.84

Finding the Fourth Proportional to 1,445.60, 2,168.46 and 1,203.84

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Solution

The fourth proportional to 1,445.60, 2,168.46 and 1,203.84 is: 1,805.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445.60 : 2,168.46 = 1,203.84 : x
  2. Step 2: Convert to fraction form
    1,445.60/2,168.46 = 1,203.84/x
  3. Step 3: Cross multiply
    1,445.60x = 2,168.46 × 1,203.84
  4. Step 4: Simplify right side
    1,445.60x = 2,610,478.89
  5. Step 5: Solve for x
    x = 2,610,478.89/1,445.60
  6. Step 6: Final answer
    x = 1,805.81

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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.