Home / 2,275.70-3,415.37-1,043.69

Finding the Fourth Proportional to 2,275.70, 3,415.37 and 1,043.69

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Solution

The fourth proportional to 2,275.70, 3,415.37 and 1,043.69 is: 1,566.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,275.70 : 3,415.37 = 1,043.69 : x
  2. Step 2: Convert to fraction form
    2,275.70/3,415.37 = 1,043.69/x
  3. Step 3: Cross multiply
    2,275.70x = 3,415.37 × 1,043.69
  4. Step 4: Simplify right side
    2,275.70x = 3,564,565.22
  5. Step 5: Solve for x
    x = 3,564,565.22/2,275.70
  6. Step 6: Final answer
    x = 1,566.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.