Home / 2,054.36-2,835.66-1,215.02

Finding the Fourth Proportional to 2,054.36, 2,835.66 and 1,215.02

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Solution

The fourth proportional to 2,054.36, 2,835.66 and 1,215.02 is: 1,677.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,054.36 : 2,835.66 = 1,215.02 : x
  2. Step 2: Convert to fraction form
    2,054.36/2,835.66 = 1,215.02/x
  3. Step 3: Cross multiply
    2,054.36x = 2,835.66 × 1,215.02
  4. Step 4: Simplify right side
    2,054.36x = 3,445,383.61
  5. Step 5: Solve for x
    x = 3,445,383.61/2,054.36
  6. Step 6: Final answer
    x = 1,677.11

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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.