Home / 1,743.36-2,612.80-1,455.36

Finding the Fourth Proportional to 1,743.36, 2,612.80 and 1,455.36

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Solution

The fourth proportional to 1,743.36, 2,612.80 and 1,455.36 is: 2,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743.36 : 2,612.80 = 1,455.36 : x
  2. Step 2: Convert to fraction form
    1,743.36/2,612.80 = 1,455.36/x
  3. Step 3: Cross multiply
    1,743.36x = 2,612.80 × 1,455.36
  4. Step 4: Simplify right side
    1,743.36x = 3,802,564.61
  5. Step 5: Solve for x
    x = 3,802,564.61/1,743.36
  6. Step 6: Final answer
    x = 2,181.17

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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.