Home / 3,656.16-5,479.86-2,097.24

Finding the Fourth Proportional to 3,656.16, 5,479.86 and 2,097.24

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Solution

The fourth proportional to 3,656.16, 5,479.86 and 2,097.24 is: 3,143.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,656.16 : 5,479.86 = 2,097.24 : x
  2. Step 2: Convert to fraction form
    3,656.16/5,479.86 = 2,097.24/x
  3. Step 3: Cross multiply
    3,656.16x = 5,479.86 × 2,097.24
  4. Step 4: Simplify right side
    3,656.16x = 11,492,581.59
  5. Step 5: Solve for x
    x = 11,492,581.59/3,656.16
  6. Step 6: Final answer
    x = 3,143.35

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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.