Home / 3,643.04-5,460.66-2,079.68

Finding the Fourth Proportional to 3,643.04, 5,460.66 and 2,079.68

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Solution

The fourth proportional to 3,643.04, 5,460.66 and 2,079.68 is: 3,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,643.04 : 5,460.66 = 2,079.68 : x
  2. Step 2: Convert to fraction form
    3,643.04/5,460.66 = 2,079.68/x
  3. Step 3: Cross multiply
    3,643.04x = 5,460.66 × 2,079.68
  4. Step 4: Simplify right side
    3,643.04x = 11,356,398.09
  5. Step 5: Solve for x
    x = 11,356,398.09/3,643.04
  6. Step 6: Final answer
    x = 3,117.28

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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.