Home / 2,455.20-3,675.60-1,483.20

Finding the Fourth Proportional to 2,455.20, 3,675.60 and 1,483.20

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Solution

The fourth proportional to 2,455.20, 3,675.60 and 1,483.20 is: 2,220.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.20 : 3,675.60 = 1,483.20 : x
  2. Step 2: Convert to fraction form
    2,455.20/3,675.60 = 1,483.20/x
  3. Step 3: Cross multiply
    2,455.20x = 3,675.60 × 1,483.20
  4. Step 4: Simplify right side
    2,455.20x = 5,451,649.92
  5. Step 5: Solve for x
    x = 5,451,649.92/2,455.20
  6. Step 6: Final answer
    x = 2,220.45

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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.