Home / 2,331.40-3,497.10-1,409.80

Finding the Fourth Proportional to 2,331.40, 3,497.10 and 1,409.80

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Solution

The fourth proportional to 2,331.40, 3,497.10 and 1,409.80 is: 2,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,331.40 : 3,497.10 = 1,409.80 : x
  2. Step 2: Convert to fraction form
    2,331.40/3,497.10 = 1,409.80/x
  3. Step 3: Cross multiply
    2,331.40x = 3,497.10 × 1,409.80
  4. Step 4: Simplify right side
    2,331.40x = 4,930,211.58
  5. Step 5: Solve for x
    x = 4,930,211.58/2,331.40
  6. Step 6: Final answer
    x = 2,114.70

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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.