Home / 3,325.52-4,589.64-2,085.20

Finding the Fourth Proportional to 3,325.52, 4,589.64 and 2,085.20

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Solution

The fourth proportional to 3,325.52, 4,589.64 and 2,085.20 is: 2,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.52 : 4,589.64 = 2,085.20 : x
  2. Step 2: Convert to fraction form
    3,325.52/4,589.64 = 2,085.20/x
  3. Step 3: Cross multiply
    3,325.52x = 4,589.64 × 2,085.20
  4. Step 4: Simplify right side
    3,325.52x = 9,570,317.33
  5. Step 5: Solve for x
    x = 9,570,317.33/3,325.52
  6. Step 6: Final answer
    x = 2,877.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.