Home / 1,864.96-2,574.08-1,079.04

Finding the Fourth Proportional to 1,864.96, 2,574.08 and 1,079.04

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Solution

The fourth proportional to 1,864.96, 2,574.08 and 1,079.04 is: 1,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.96 : 2,574.08 = 1,079.04 : x
  2. Step 2: Convert to fraction form
    1,864.96/2,574.08 = 1,079.04/x
  3. Step 3: Cross multiply
    1,864.96x = 2,574.08 × 1,079.04
  4. Step 4: Simplify right side
    1,864.96x = 2,777,535.28
  5. Step 5: Solve for x
    x = 2,777,535.28/1,864.96
  6. Step 6: Final answer
    x = 1,489.33

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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.