Home / 1,973.52-2,961.36-1,485.36

Finding the Fourth Proportional to 1,973.52, 2,961.36 and 1,485.36

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Solution

The fourth proportional to 1,973.52, 2,961.36 and 1,485.36 is: 2,228.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,973.52 : 2,961.36 = 1,485.36 : x
  2. Step 2: Convert to fraction form
    1,973.52/2,961.36 = 1,485.36/x
  3. Step 3: Cross multiply
    1,973.52x = 2,961.36 × 1,485.36
  4. Step 4: Simplify right side
    1,973.52x = 4,398,685.69
  5. Step 5: Solve for x
    x = 4,398,685.69/1,973.52
  6. Step 6: Final answer
    x = 2,228.85

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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.