Home / 3,396.72-4,686.75-2,068.05

Finding the Fourth Proportional to 3,396.72, 4,686.75 and 2,068.05

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Solution

The fourth proportional to 3,396.72, 4,686.75 and 2,068.05 is: 2,853.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,396.72 : 4,686.75 = 2,068.05 : x
  2. Step 2: Convert to fraction form
    3,396.72/4,686.75 = 2,068.05/x
  3. Step 3: Cross multiply
    3,396.72x = 4,686.75 × 2,068.05
  4. Step 4: Simplify right side
    3,396.72x = 9,692,433.34
  5. Step 5: Solve for x
    x = 9,692,433.34/3,396.72
  6. Step 6: Final answer
    x = 2,853.47

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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.