Home / 1,968.90-2,955.23-1,500.72

Finding the Fourth Proportional to 1,968.90, 2,955.23 and 1,500.72

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Solution

The fourth proportional to 1,968.90, 2,955.23 and 1,500.72 is: 2,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.90 : 2,955.23 = 1,500.72 : x
  2. Step 2: Convert to fraction form
    1,968.90/2,955.23 = 1,500.72/x
  3. Step 3: Cross multiply
    1,968.90x = 2,955.23 × 1,500.72
  4. Step 4: Simplify right side
    1,968.90x = 4,434,972.77
  5. Step 5: Solve for x
    x = 4,434,972.77/1,968.90
  6. Step 6: Final answer
    x = 2,252.51

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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.