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Finding the Fourth Proportional to 1,050.02, 1,573.35 and 761.62

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Solution

The fourth proportional to 1,050.02, 1,573.35 and 761.62 is: 1,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050.02 : 1,573.35 = 761.62 : x
  2. Step 2: Convert to fraction form
    1,050.02/1,573.35 = 761.62/x
  3. Step 3: Cross multiply
    1,050.02x = 1,573.35 × 761.62
  4. Step 4: Simplify right side
    1,050.02x = 1,198,294.83
  5. Step 5: Solve for x
    x = 1,198,294.83/1,050.02
  6. Step 6: Final answer
    x = 1,141.21

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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.