Home / 3,502.73-5,256.83-1,312.08

Finding the Fourth Proportional to 3,502.73, 5,256.83 and 1,312.08

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Solution

The fourth proportional to 3,502.73, 5,256.83 and 1,312.08 is: 1,969.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.73 : 5,256.83 = 1,312.08 : x
  2. Step 2: Convert to fraction form
    3,502.73/5,256.83 = 1,312.08/x
  3. Step 3: Cross multiply
    3,502.73x = 5,256.83 × 1,312.08
  4. Step 4: Simplify right side
    3,502.73x = 6,897,374.95
  5. Step 5: Solve for x
    x = 6,897,374.95/3,502.73
  6. Step 6: Final answer
    x = 1,969.15

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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.