Home / 1,758.02-2,635.99-718.19

Finding the Fourth Proportional to 1,758.02, 2,635.99 and 718.19

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Solution

The fourth proportional to 1,758.02, 2,635.99 and 718.19 is: 1,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758.02 : 2,635.99 = 718.19 : x
  2. Step 2: Convert to fraction form
    1,758.02/2,635.99 = 718.19/x
  3. Step 3: Cross multiply
    1,758.02x = 2,635.99 × 718.19
  4. Step 4: Simplify right side
    1,758.02x = 1,893,141.66
  5. Step 5: Solve for x
    x = 1,893,141.66/1,758.02
  6. Step 6: Final answer
    x = 1,076.86

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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.