Home / 3,246.18-4,476.66-2,128.08

Finding the Fourth Proportional to 3,246.18, 4,476.66 and 2,128.08

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Solution

The fourth proportional to 3,246.18, 4,476.66 and 2,128.08 is: 2,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.18 : 4,476.66 = 2,128.08 : x
  2. Step 2: Convert to fraction form
    3,246.18/4,476.66 = 2,128.08/x
  3. Step 3: Cross multiply
    3,246.18x = 4,476.66 × 2,128.08
  4. Step 4: Simplify right side
    3,246.18x = 9,526,690.61
  5. Step 5: Solve for x
    x = 9,526,690.61/3,246.18
  6. Step 6: Final answer
    x = 2,934.74

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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.