Home / 1,972.23-2,957.58-1,356.11

Finding the Fourth Proportional to 1,972.23, 2,957.58 and 1,356.11

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Solution

The fourth proportional to 1,972.23, 2,957.58 and 1,356.11 is: 2,033.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.23 : 2,957.58 = 1,356.11 : x
  2. Step 2: Convert to fraction form
    1,972.23/2,957.58 = 1,356.11/x
  3. Step 3: Cross multiply
    1,972.23x = 2,957.58 × 1,356.11
  4. Step 4: Simplify right side
    1,972.23x = 4,010,800.63
  5. Step 5: Solve for x
    x = 4,010,800.63/1,972.23
  6. Step 6: Final answer
    x = 2,033.64

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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.