Home / 3,132.26-4,322.58-1,805.74

Finding the Fourth Proportional to 3,132.26, 4,322.58 and 1,805.74

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Solution

The fourth proportional to 3,132.26, 4,322.58 and 1,805.74 is: 2,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.26 : 4,322.58 = 1,805.74 : x
  2. Step 2: Convert to fraction form
    3,132.26/4,322.58 = 1,805.74/x
  3. Step 3: Cross multiply
    3,132.26x = 4,322.58 × 1,805.74
  4. Step 4: Simplify right side
    3,132.26x = 7,805,455.61
  5. Step 5: Solve for x
    x = 7,805,455.61/3,132.26
  6. Step 6: Final answer
    x = 2,491.96

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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.