Home / 3,271.59-4,515.75-1,945.62

Finding the Fourth Proportional to 3,271.59, 4,515.75 and 1,945.62

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Solution

The fourth proportional to 3,271.59, 4,515.75 and 1,945.62 is: 2,685.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.59 : 4,515.75 = 1,945.62 : x
  2. Step 2: Convert to fraction form
    3,271.59/4,515.75 = 1,945.62/x
  3. Step 3: Cross multiply
    3,271.59x = 4,515.75 × 1,945.62
  4. Step 4: Simplify right side
    3,271.59x = 8,785,933.52
  5. Step 5: Solve for x
    x = 8,785,933.52/3,271.59
  6. Step 6: Final answer
    x = 2,685.52

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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.