Home / 2,739.36-3,781.56-1,746

Finding the Fourth Proportional to 2,739.36, 3,781.56 and 1,746

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Solution

The fourth proportional to 2,739.36, 3,781.56 and 1,746 is: 2,410.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.36 : 3,781.56 = 1,746 : x
  2. Step 2: Convert to fraction form
    2,739.36/3,781.56 = 1,746/x
  3. Step 3: Cross multiply
    2,739.36x = 3,781.56 × 1,746
  4. Step 4: Simplify right side
    2,739.36x = 6,602,603.76
  5. Step 5: Solve for x
    x = 6,602,603.76/2,739.36
  6. Step 6: Final answer
    x = 2,410.27

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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.