Home / 2,479.04-3,716.40-2,116.16

Finding the Fourth Proportional to 2,479.04, 3,716.40 and 2,116.16

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Solution

The fourth proportional to 2,479.04, 3,716.40 and 2,116.16 is: 3,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479.04 : 3,716.40 = 2,116.16 : x
  2. Step 2: Convert to fraction form
    2,479.04/3,716.40 = 2,116.16/x
  3. Step 3: Cross multiply
    2,479.04x = 3,716.40 × 2,116.16
  4. Step 4: Simplify right side
    2,479.04x = 7,864,497.02
  5. Step 5: Solve for x
    x = 7,864,497.02/2,479.04
  6. Step 6: Final answer
    x = 3,172.40

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1.5x scale

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.