Home / 3,570.17-5,357.47-1,721.47

Finding the Fourth Proportional to 3,570.17, 5,357.47 and 1,721.47

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Solution

The fourth proportional to 3,570.17, 5,357.47 and 1,721.47 is: 2,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,570.17 : 5,357.47 = 1,721.47 : x
  2. Step 2: Convert to fraction form
    3,570.17/5,357.47 = 1,721.47/x
  3. Step 3: Cross multiply
    3,570.17x = 5,357.47 × 1,721.47
  4. Step 4: Simplify right side
    3,570.17x = 9,222,715.27
  5. Step 5: Solve for x
    x = 9,222,715.27/3,570.17
  6. Step 6: Final answer
    x = 2,583.27

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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.