Home / 3,419.74-4,717.98-2,160.94

Finding the Fourth Proportional to 3,419.74, 4,717.98 and 2,160.94

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Solution

The fourth proportional to 3,419.74, 4,717.98 and 2,160.94 is: 2,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419.74 : 4,717.98 = 2,160.94 : x
  2. Step 2: Convert to fraction form
    3,419.74/4,717.98 = 2,160.94/x
  3. Step 3: Cross multiply
    3,419.74x = 4,717.98 × 2,160.94
  4. Step 4: Simplify right side
    3,419.74x = 10,195,271.70
  5. Step 5: Solve for x
    x = 10,195,271.70/3,419.74
  6. Step 6: Final answer
    x = 2,981.30

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1.5x scale

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.