Home / 3,437.05-4,743.14-1,865.15

Finding the Fourth Proportional to 3,437.05, 4,743.14 and 1,865.15

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Solution

The fourth proportional to 3,437.05, 4,743.14 and 1,865.15 is: 2,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.05 : 4,743.14 = 1,865.15 : x
  2. Step 2: Convert to fraction form
    3,437.05/4,743.14 = 1,865.15/x
  3. Step 3: Cross multiply
    3,437.05x = 4,743.14 × 1,865.15
  4. Step 4: Simplify right side
    3,437.05x = 8,846,642.79
  5. Step 5: Solve for x
    x = 8,846,642.79/3,437.05
  6. Step 6: Final answer
    x = 2,573.90

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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.