Home / 1,493.20-2,241.60-1,482.40

Finding the Fourth Proportional to 1,493.20, 2,241.60 and 1,482.40

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Solution

The fourth proportional to 1,493.20, 2,241.60 and 1,482.40 is: 2,225.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.20 : 2,241.60 = 1,482.40 : x
  2. Step 2: Convert to fraction form
    1,493.20/2,241.60 = 1,482.40/x
  3. Step 3: Cross multiply
    1,493.20x = 2,241.60 × 1,482.40
  4. Step 4: Simplify right side
    1,493.20x = 3,322,947.84
  5. Step 5: Solve for x
    x = 3,322,947.84/1,493.20
  6. Step 6: Final answer
    x = 2,225.39

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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.