Home / 2,840.04-3,917.99-1,660.59

Finding the Fourth Proportional to 2,840.04, 3,917.99 and 1,660.59

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Solution

The fourth proportional to 2,840.04, 3,917.99 and 1,660.59 is: 2,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.04 : 3,917.99 = 1,660.59 : x
  2. Step 2: Convert to fraction form
    2,840.04/3,917.99 = 1,660.59/x
  3. Step 3: Cross multiply
    2,840.04x = 3,917.99 × 1,660.59
  4. Step 4: Simplify right side
    2,840.04x = 6,506,179.17
  5. Step 5: Solve for x
    x = 6,506,179.17/2,840.04
  6. Step 6: Final answer
    x = 2,290.88

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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.