Home / 2,952.88-4,429.84-1,220.56

Finding the Fourth Proportional to 2,952.88, 4,429.84 and 1,220.56

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Solution

The fourth proportional to 2,952.88, 4,429.84 and 1,220.56 is: 1,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.88 : 4,429.84 = 1,220.56 : x
  2. Step 2: Convert to fraction form
    2,952.88/4,429.84 = 1,220.56/x
  3. Step 3: Cross multiply
    2,952.88x = 4,429.84 × 1,220.56
  4. Step 4: Simplify right side
    2,952.88x = 5,406,885.51
  5. Step 5: Solve for x
    x = 5,406,885.51/2,952.88
  6. Step 6: Final answer
    x = 1,831.05

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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.