Home / 3,400.23-4,690.65-2,281.41

Finding the Fourth Proportional to 3,400.23, 4,690.65 and 2,281.41

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Solution

The fourth proportional to 3,400.23, 4,690.65 and 2,281.41 is: 3,147.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.23 : 4,690.65 = 2,281.41 : x
  2. Step 2: Convert to fraction form
    3,400.23/4,690.65 = 2,281.41/x
  3. Step 3: Cross multiply
    3,400.23x = 4,690.65 × 2,281.41
  4. Step 4: Simplify right side
    3,400.23x = 10,701,295.82
  5. Step 5: Solve for x
    x = 10,701,295.82/3,400.23
  6. Step 6: Final answer
    x = 3,147.23

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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.