Home / 1,710.83-2,563.36-1,247.96

Finding the Fourth Proportional to 1,710.83, 2,563.36 and 1,247.96

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Solution

The fourth proportional to 1,710.83, 2,563.36 and 1,247.96 is: 1,869.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710.83 : 2,563.36 = 1,247.96 : x
  2. Step 2: Convert to fraction form
    1,710.83/2,563.36 = 1,247.96/x
  3. Step 3: Cross multiply
    1,710.83x = 2,563.36 × 1,247.96
  4. Step 4: Simplify right side
    1,710.83x = 3,198,970.75
  5. Step 5: Solve for x
    x = 3,198,970.75/1,710.83
  6. Step 6: Final answer
    x = 1,869.84

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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.