Home / 2,964.60-4,448.12-1,320.03

Finding the Fourth Proportional to 2,964.60, 4,448.12 and 1,320.03

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Solution

The fourth proportional to 2,964.60, 4,448.12 and 1,320.03 is: 1,980.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.60 : 4,448.12 = 1,320.03 : x
  2. Step 2: Convert to fraction form
    2,964.60/4,448.12 = 1,320.03/x
  3. Step 3: Cross multiply
    2,964.60x = 4,448.12 × 1,320.03
  4. Step 4: Simplify right side
    2,964.60x = 5,871,645.24
  5. Step 5: Solve for x
    x = 5,871,645.24/2,964.60
  6. Step 6: Final answer
    x = 1,980.59

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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.