Home / 3,032.19-4,548.26-780.72

Finding the Fourth Proportional to 3,032.19, 4,548.26 and 780.72

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Solution

The fourth proportional to 3,032.19, 4,548.26 and 780.72 is: 1,171.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032.19 : 4,548.26 = 780.72 : x
  2. Step 2: Convert to fraction form
    3,032.19/4,548.26 = 780.72/x
  3. Step 3: Cross multiply
    3,032.19x = 4,548.26 × 780.72
  4. Step 4: Simplify right side
    3,032.19x = 3,550,917.55
  5. Step 5: Solve for x
    x = 3,550,917.55/3,032.19
  6. Step 6: Final answer
    x = 1,171.07

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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.