Home / 2,331.60-3,493.80-1,964.40

Finding the Fourth Proportional to 2,331.60, 3,493.80 and 1,964.40

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Solution

The fourth proportional to 2,331.60, 3,493.80 and 1,964.40 is: 2,943.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.60 : 3,493.80 = 1,964.40 : x
  2. Step 2: Convert to fraction form
    2,331.60/3,493.80 = 1,964.40/x
  3. Step 3: Cross multiply
    2,331.60x = 3,493.80 × 1,964.40
  4. Step 4: Simplify right side
    2,331.60x = 6,863,220.72
  5. Step 5: Solve for x
    x = 6,863,220.72/2,331.60
  6. Step 6: Final answer
    x = 2,943.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.