Home / 3,215.59-4,437.48-1,889.44

Finding the Fourth Proportional to 3,215.59, 4,437.48 and 1,889.44

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Solution

The fourth proportional to 3,215.59, 4,437.48 and 1,889.44 is: 2,607.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,215.59 : 4,437.48 = 1,889.44 : x
  2. Step 2: Convert to fraction form
    3,215.59/4,437.48 = 1,889.44/x
  3. Step 3: Cross multiply
    3,215.59x = 4,437.48 × 1,889.44
  4. Step 4: Simplify right side
    3,215.59x = 8,384,352.21
  5. Step 5: Solve for x
    x = 8,384,352.21/3,215.59
  6. Step 6: Final answer
    x = 2,607.41

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Double scale
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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.