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Finding the Fourth Proportional to 1,575.29, 2,362.92 and 650.60

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Solution

The fourth proportional to 1,575.29, 2,362.92 and 650.60 is: 975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575.29 : 2,362.92 = 650.60 : x
  2. Step 2: Convert to fraction form
    1,575.29/2,362.92 = 650.60/x
  3. Step 3: Cross multiply
    1,575.29x = 2,362.92 × 650.60
  4. Step 4: Simplify right side
    1,575.29x = 1,537,303.94
  5. Step 5: Solve for x
    x = 1,537,303.94/1,575.29
  6. Step 6: Final answer
    x = 975.89

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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.