Home / 3,397.14-5,068.68-2,981.60

Finding the Fourth Proportional to 3,397.14, 5,068.68 and 2,981.60

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Solution

The fourth proportional to 3,397.14, 5,068.68 and 2,981.60 is: 4,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.14 : 5,068.68 = 2,981.60 : x
  2. Step 2: Convert to fraction form
    3,397.14/5,068.68 = 2,981.60/x
  3. Step 3: Cross multiply
    3,397.14x = 5,068.68 × 2,981.60
  4. Step 4: Simplify right side
    3,397.14x = 15,112,776.29
  5. Step 5: Solve for x
    x = 15,112,776.29/3,397.14
  6. Step 6: Final answer
    x = 4,448.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.