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Finding the Fourth Proportional to 1,762.11, 2,429.50 and 1,131.52

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Solution

The fourth proportional to 1,762.11, 2,429.50 and 1,131.52 is: 1,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762.11 : 2,429.50 = 1,131.52 : x
  2. Step 2: Convert to fraction form
    1,762.11/2,429.50 = 1,131.52/x
  3. Step 3: Cross multiply
    1,762.11x = 2,429.50 × 1,131.52
  4. Step 4: Simplify right side
    1,762.11x = 2,749,027.84
  5. Step 5: Solve for x
    x = 2,749,027.84/1,762.11
  6. Step 6: Final answer
    x = 1,560.08

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