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Finding the Fourth Proportional to 1,730.70, 2,388.36 and 1,032

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Solution

The fourth proportional to 1,730.70, 2,388.36 and 1,032 is: 1,424.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.70 : 2,388.36 = 1,032 : x
  2. Step 2: Convert to fraction form
    1,730.70/2,388.36 = 1,032/x
  3. Step 3: Cross multiply
    1,730.70x = 2,388.36 × 1,032
  4. Step 4: Simplify right side
    1,730.70x = 2,464,787.52
  5. Step 5: Solve for x
    x = 2,464,787.52/1,730.70
  6. Step 6: Final answer
    x = 1,424.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.