Home / 3,052.02-4,578.30-860.79

Finding the Fourth Proportional to 3,052.02, 4,578.30 and 860.79

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Solution

The fourth proportional to 3,052.02, 4,578.30 and 860.79 is: 1,291.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,052.02 : 4,578.30 = 860.79 : x
  2. Step 2: Convert to fraction form
    3,052.02/4,578.30 = 860.79/x
  3. Step 3: Cross multiply
    3,052.02x = 4,578.30 × 860.79
  4. Step 4: Simplify right side
    3,052.02x = 3,940,954.86
  5. Step 5: Solve for x
    x = 3,940,954.86/3,052.02
  6. Step 6: Final answer
    x = 1,291.26

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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.