Home / 2,418.80-3,628.72-1,032.16

Finding the Fourth Proportional to 2,418.80, 3,628.72 and 1,032.16

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Solution

The fourth proportional to 2,418.80, 3,628.72 and 1,032.16 is: 1,548.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.80 : 3,628.72 = 1,032.16 : x
  2. Step 2: Convert to fraction form
    2,418.80/3,628.72 = 1,032.16/x
  3. Step 3: Cross multiply
    2,418.80x = 3,628.72 × 1,032.16
  4. Step 4: Simplify right side
    2,418.80x = 3,745,419.64
  5. Step 5: Solve for x
    x = 3,745,419.64/2,418.80
  6. Step 6: Final answer
    x = 1,548.46

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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.