Home / 2,955.28-4,432.20-1,106.56

Finding the Fourth Proportional to 2,955.28, 4,432.20 and 1,106.56

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Solution

The fourth proportional to 2,955.28, 4,432.20 and 1,106.56 is: 1,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.28 : 4,432.20 = 1,106.56 : x
  2. Step 2: Convert to fraction form
    2,955.28/4,432.20 = 1,106.56/x
  3. Step 3: Cross multiply
    2,955.28x = 4,432.20 × 1,106.56
  4. Step 4: Simplify right side
    2,955.28x = 4,904,495.23
  5. Step 5: Solve for x
    x = 4,904,495.23/2,955.28
  6. Step 6: Final answer
    x = 1,659.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.