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Finding the Fourth Proportional to 3,237.52, 4,468.08 and 1,840

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Solution

The fourth proportional to 3,237.52, 4,468.08 and 1,840 is: 2,539.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.52 : 4,468.08 = 1,840 : x
  2. Step 2: Convert to fraction form
    3,237.52/4,468.08 = 1,840/x
  3. Step 3: Cross multiply
    3,237.52x = 4,468.08 × 1,840
  4. Step 4: Simplify right side
    3,237.52x = 8,221,267.20
  5. Step 5: Solve for x
    x = 8,221,267.20/3,237.52
  6. Step 6: Final answer
    x = 2,539.37

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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.