Home / 3,397.01-4,690.14-2,122.82

Finding the Fourth Proportional to 3,397.01, 4,690.14 and 2,122.82

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Solution

The fourth proportional to 3,397.01, 4,690.14 and 2,122.82 is: 2,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.01 : 4,690.14 = 2,122.82 : x
  2. Step 2: Convert to fraction form
    3,397.01/4,690.14 = 2,122.82/x
  3. Step 3: Cross multiply
    3,397.01x = 4,690.14 × 2,122.82
  4. Step 4: Simplify right side
    3,397.01x = 9,956,307.50
  5. Step 5: Solve for x
    x = 9,956,307.50/3,397.01
  6. Step 6: Final answer
    x = 2,930.91

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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.