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Finding the Fourth Proportional to 1,972.68, 2,953.08 and 1,533.12

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Solution

The fourth proportional to 1,972.68, 2,953.08 and 1,533.12 is: 2,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972.68 : 2,953.08 = 1,533.12 : x
  2. Step 2: Convert to fraction form
    1,972.68/2,953.08 = 1,533.12/x
  3. Step 3: Cross multiply
    1,972.68x = 2,953.08 × 1,533.12
  4. Step 4: Simplify right side
    1,972.68x = 4,527,426.01
  5. Step 5: Solve for x
    x = 4,527,426.01/1,972.68
  6. Step 6: Final answer
    x = 2,295.06

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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.