Home / 3,296.95-4,548.55-2,118.72

Finding the Fourth Proportional to 3,296.95, 4,548.55 and 2,118.72

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Solution

The fourth proportional to 3,296.95, 4,548.55 and 2,118.72 is: 2,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296.95 : 4,548.55 = 2,118.72 : x
  2. Step 2: Convert to fraction form
    3,296.95/4,548.55 = 2,118.72/x
  3. Step 3: Cross multiply
    3,296.95x = 4,548.55 × 2,118.72
  4. Step 4: Simplify right side
    3,296.95x = 9,637,103.86
  5. Step 5: Solve for x
    x = 9,637,103.86/3,296.95
  6. Step 6: Final answer
    x = 2,923.04

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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.