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Finding the Fourth Proportional to 1,510.35, 2,084.37 and 847.29

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Solution

The fourth proportional to 1,510.35, 2,084.37 and 847.29 is: 1,169.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510.35 : 2,084.37 = 847.29 : x
  2. Step 2: Convert to fraction form
    1,510.35/2,084.37 = 847.29/x
  3. Step 3: Cross multiply
    1,510.35x = 2,084.37 × 847.29
  4. Step 4: Simplify right side
    1,510.35x = 1,766,065.86
  5. Step 5: Solve for x
    x = 1,766,065.86/1,510.35
  6. Step 6: Final answer
    x = 1,169.31

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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.