Home / 1,964.02-2,710.42-1,079.86

Finding the Fourth Proportional to 1,964.02, 2,710.42 and 1,079.86

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Solution

The fourth proportional to 1,964.02, 2,710.42 and 1,079.86 is: 1,490.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.02 : 2,710.42 = 1,079.86 : x
  2. Step 2: Convert to fraction form
    1,964.02/2,710.42 = 1,079.86/x
  3. Step 3: Cross multiply
    1,964.02x = 2,710.42 × 1,079.86
  4. Step 4: Simplify right side
    1,964.02x = 2,926,874.14
  5. Step 5: Solve for x
    x = 2,926,874.14/1,964.02
  6. Step 6: Final answer
    x = 1,490.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.