Home / 3,392.34-4,670.55-2,645.34

Finding the Fourth Proportional to 3,392.34, 4,670.55 and 2,645.34

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Solution

The fourth proportional to 3,392.34, 4,670.55 and 2,645.34 is: 3,642.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,392.34 : 4,670.55 = 2,645.34 : x
  2. Step 2: Convert to fraction form
    3,392.34/4,670.55 = 2,645.34/x
  3. Step 3: Cross multiply
    3,392.34x = 4,670.55 × 2,645.34
  4. Step 4: Simplify right side
    3,392.34x = 12,355,192.74
  5. Step 5: Solve for x
    x = 12,355,192.74/3,392.34
  6. Step 6: Final answer
    x = 3,642.09

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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.