Home / 3,036.29-4,188.11-1,858.95

Finding the Fourth Proportional to 3,036.29, 4,188.11 and 1,858.95

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Solution

The fourth proportional to 3,036.29, 4,188.11 and 1,858.95 is: 2,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.29 : 4,188.11 = 1,858.95 : x
  2. Step 2: Convert to fraction form
    3,036.29/4,188.11 = 1,858.95/x
  3. Step 3: Cross multiply
    3,036.29x = 4,188.11 × 1,858.95
  4. Step 4: Simplify right side
    3,036.29x = 7,785,477.79
  5. Step 5: Solve for x
    x = 7,785,477.79/3,036.29
  6. Step 6: Final answer
    x = 2,564.15

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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.