Home / 1,721.12-2,373.35-1,473.26

Finding the Fourth Proportional to 1,721.12, 2,373.35 and 1,473.26

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Solution

The fourth proportional to 1,721.12, 2,373.35 and 1,473.26 is: 2,031.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.12 : 2,373.35 = 1,473.26 : x
  2. Step 2: Convert to fraction form
    1,721.12/2,373.35 = 1,473.26/x
  3. Step 3: Cross multiply
    1,721.12x = 2,373.35 × 1,473.26
  4. Step 4: Simplify right side
    1,721.12x = 3,496,542.39
  5. Step 5: Solve for x
    x = 3,496,542.39/1,721.12
  6. Step 6: Final answer
    x = 2,031.56

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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.