Home / 1,709.02-2,563.68-1,252.49

Finding the Fourth Proportional to 1,709.02, 2,563.68 and 1,252.49

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Solution

The fourth proportional to 1,709.02, 2,563.68 and 1,252.49 is: 1,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.02 : 2,563.68 = 1,252.49 : x
  2. Step 2: Convert to fraction form
    1,709.02/2,563.68 = 1,252.49/x
  3. Step 3: Cross multiply
    1,709.02x = 2,563.68 × 1,252.49
  4. Step 4: Simplify right side
    1,709.02x = 3,210,975.44
  5. Step 5: Solve for x
    x = 3,210,975.44/1,709.02
  6. Step 6: Final answer
    x = 1,878.84

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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.