Home / 3,603.19-4,972.40-1,947.19

Finding the Fourth Proportional to 3,603.19, 4,972.40 and 1,947.19

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Solution

The fourth proportional to 3,603.19, 4,972.40 and 1,947.19 is: 2,687.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.19 : 4,972.40 = 1,947.19 : x
  2. Step 2: Convert to fraction form
    3,603.19/4,972.40 = 1,947.19/x
  3. Step 3: Cross multiply
    3,603.19x = 4,972.40 × 1,947.19
  4. Step 4: Simplify right side
    3,603.19x = 9,682,192.69
  5. Step 5: Solve for x
    x = 9,682,192.69/3,603.19
  6. Step 6: Final answer
    x = 2,687.12

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1.5x scale

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.