Home / 2,327.70-3,495.60-1,639.20

Finding the Fourth Proportional to 2,327.70, 3,495.60 and 1,639.20

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Solution

The fourth proportional to 2,327.70, 3,495.60 and 1,639.20 is: 2,461.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.70 : 3,495.60 = 1,639.20 : x
  2. Step 2: Convert to fraction form
    2,327.70/3,495.60 = 1,639.20/x
  3. Step 3: Cross multiply
    2,327.70x = 3,495.60 × 1,639.20
  4. Step 4: Simplify right side
    2,327.70x = 5,729,987.52
  5. Step 5: Solve for x
    x = 5,729,987.52/2,327.70
  6. Step 6: Final answer
    x = 2,461.65

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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.