Home / 2,240.31-3,357.54-1,070.70

Finding the Fourth Proportional to 2,240.31, 3,357.54 and 1,070.70

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Solution

The fourth proportional to 2,240.31, 3,357.54 and 1,070.70 is: 1,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.31 : 3,357.54 = 1,070.70 : x
  2. Step 2: Convert to fraction form
    2,240.31/3,357.54 = 1,070.70/x
  3. Step 3: Cross multiply
    2,240.31x = 3,357.54 × 1,070.70
  4. Step 4: Simplify right side
    2,240.31x = 3,594,918.08
  5. Step 5: Solve for x
    x = 3,594,918.08/2,240.31
  6. Step 6: Final answer
    x = 1,604.65

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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.