Home / 1,964.24-2,710.62-1,080.02

Finding the Fourth Proportional to 1,964.24, 2,710.62 and 1,080.02

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Solution

The fourth proportional to 1,964.24, 2,710.62 and 1,080.02 is: 1,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.24 : 2,710.62 = 1,080.02 : x
  2. Step 2: Convert to fraction form
    1,964.24/2,710.62 = 1,080.02/x
  3. Step 3: Cross multiply
    1,964.24x = 2,710.62 × 1,080.02
  4. Step 4: Simplify right side
    1,964.24x = 2,927,523.81
  5. Step 5: Solve for x
    x = 2,927,523.81/1,964.24
  6. Step 6: Final answer
    x = 1,490.41

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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.