Home / 2,433.20-3,642.60-1,461.20

Finding the Fourth Proportional to 2,433.20, 3,642.60 and 1,461.20

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Solution

The fourth proportional to 2,433.20, 3,642.60 and 1,461.20 is: 2,187.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.20 : 3,642.60 = 1,461.20 : x
  2. Step 2: Convert to fraction form
    2,433.20/3,642.60 = 1,461.20/x
  3. Step 3: Cross multiply
    2,433.20x = 3,642.60 × 1,461.20
  4. Step 4: Simplify right side
    2,433.20x = 5,322,567.12
  5. Step 5: Solve for x
    x = 5,322,567.12/2,433.20
  6. Step 6: Final answer
    x = 2,187.48

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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.