Home / 3,358.79-4,635.72-2,100.66

Finding the Fourth Proportional to 3,358.79, 4,635.72 and 2,100.66

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Solution

The fourth proportional to 3,358.79, 4,635.72 and 2,100.66 is: 2,899.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,358.79 : 4,635.72 = 2,100.66 : x
  2. Step 2: Convert to fraction form
    3,358.79/4,635.72 = 2,100.66/x
  3. Step 3: Cross multiply
    3,358.79x = 4,635.72 × 2,100.66
  4. Step 4: Simplify right side
    3,358.79x = 9,738,071.58
  5. Step 5: Solve for x
    x = 9,738,071.58/3,358.79
  6. Step 6: Final answer
    x = 2,899.28

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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.