Home / 1,977.36-2,966.70-1,246.08

Finding the Fourth Proportional to 1,977.36, 2,966.70 and 1,246.08

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Solution

The fourth proportional to 1,977.36, 2,966.70 and 1,246.08 is: 1,869.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977.36 : 2,966.70 = 1,246.08 : x
  2. Step 2: Convert to fraction form
    1,977.36/2,966.70 = 1,246.08/x
  3. Step 3: Cross multiply
    1,977.36x = 2,966.70 × 1,246.08
  4. Step 4: Simplify right side
    1,977.36x = 3,696,745.54
  5. Step 5: Solve for x
    x = 3,696,745.54/1,977.36
  6. Step 6: Final answer
    x = 1,869.54

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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.