Home / 1,720.47-2,576.39-1,357.23

Finding the Fourth Proportional to 1,720.47, 2,576.39 and 1,357.23

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Solution

The fourth proportional to 1,720.47, 2,576.39 and 1,357.23 is: 2,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720.47 : 2,576.39 = 1,357.23 : x
  2. Step 2: Convert to fraction form
    1,720.47/2,576.39 = 1,357.23/x
  3. Step 3: Cross multiply
    1,720.47x = 2,576.39 × 1,357.23
  4. Step 4: Simplify right side
    1,720.47x = 3,496,747.01
  5. Step 5: Solve for x
    x = 3,496,747.01/1,720.47
  6. Step 6: Final answer
    x = 2,032.44

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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.